Following the paper trail: the UK scientific and technological knowledge space and its reliance on international knowledge spillovers

Figures & data

Figure 1. UK (a) science and (b) technology spaces, including global distribution of knowledge flows into the UK.

Table A1. UK technology space: present Cooperative Patent Classification (CPC) codes, and their associated UK citation ratio as well as the count of patents using the CPC listed.

No.	CPC	UK_CITE	UK_PATS	No.	CPC	UK_CITE	UK_PATS	No.	CPC	UK_CITE	UK_PATS	No.	CPC	UK_CITE	UK_PATS	No.	CPC	UK_CITE	UK_PATS	No.	CPC	UK_CITE	UK_PATS
1	A01B	15.9	26	103	B07C	18.3	14	205	B61L	14.9	39	307	C13K	8.9	3	409	F03G	19.2	21	511	G04C	11.4	3
2	A01C	9.9	15	104	B08B	13.9	82	206	B62B	16.8	89	308	C14B	27.2	1	410	F03H	7.7	6	512	G04F	21.3	9
3	A01D	18.7	56	105	B09B	14.1	17	207	B62D	13.2	201	309	C14C	17.0	9	411	F04B	20.4	210	513	G04G	9.9	13
4	A01F	8.0	8	106	B09C	12.4	7	208	B62H	8.4	11	310	C21B	13.4	23	412	F04C	16.5	149	514	G04R	17.3	2
5	A01G	11.6	95	107	B21B	12.8	47	209	B62J	14.1	42	311	C21C	9.6	3	413	F04D	17.3	234	515	G05B	12.5	223
6	A01H	14.6	22	108	B21C	20.9	16	210	B62K	12.8	42	312	C21D	15.8	28	414	F04F	21.0	26	516	G05D	15.0	116
7	A01J	20.6	9	109	B21D	20.6	103	211	B62L	8.3	2	313	C22B	18.9	32	415	F05B	15.8	184	517	G05F	6.1	59
8	A01K	22.6	240	110	B21F	6.4	3	212	B62M	15.1	15	314	C22C	16.8	121	416	F05C	15.4	11	518	G05G	10.5	21
9	A01L	12.8	6	111	B21H	10.8	1	213	B63B	14.7	170	315	C22F	17.6	21	417	F05D	18.1	472	519	G06E	49.5	5
10	A01M	16.6	67	112	B21J	22.6	20	214	B63C	19.4	42	316	C23C	15.2	227	418	F15B	11.7	74	520	G06F	11.3	2780
11	A01N	12.8	457	113	B21K	23.0	5	215	B63G	20.8	25	317	C23D	20.0	0	419	F15C	30.8	1	521	G06G	5.1	1
12	A21B	17.4	11	114	B22C	15.9	24	216	B63H	13.8	67	318	C23F	16.8	36	420	F15D	19.4	9	522	G06K	14.0	430
13	A21C	11.2	13	115	B22D	15.3	50	217	B63J	14.2	5	319	C23G	15.1	3	421	F16B	17.0	238	523	G06M	28.0	14
14	A21D	17.6	51	116	B22F	12.6	110	218	B64B	20.5	4	320	C25B	14.6	47	422	F16C	14.1	208	524	G06N	17.1	120
15	A22B	22.4	6	117	B23B	15.7	46	219	B64C	20.3	332	321	C25C	20.8	21	423	F16D	17.3	214	525	G06Q	13.0	922
16	A22C	17.6	8	118	B23C	8.3	10	220	B64D	19.8	279	322	C25D	16.4	54	424	F16F	14.8	100	526	G06T	14.4	562
17	A23B	11.4	19	119	B23D	9.8	34	221	B64F	14.5	36	323	C25F	9.0	5	425	F16G	18.3	22	527	G07B	11.6	27
18	A23C	7.1	22	120	B23F	8.6	2	222	B64G	1.4	18	324	C30B	25.8	61	426	F16H	16.0	247	528	G07C	12.8	109
19	A23D	15.7	37	121	B23H	30.3	10	223	B65B	15.0	159	325	C40B	21.4	14	427	F16J	17.3	107	529	G07D	19.7	90
20	A23F	21.4	97	122	B23K	13.8	227	224	B65C	17.3	33	326	D01B	32.8	2	428	F16K	16.4	266	530	G07F	16.1	188
21	A23G	16.2	309	123	B23P	15.9	34	225	B65D	16.7	1319	327	D01C	14.4	0	429	F16L	19.6	493	531	G07G	15.7	9
22	A23J	11.1	6	124	B23Q	13.6	55	226	B65F	23.1	41	328	D01D	16.4	17	430	F16M	14.2	71	532	G08B	15.3	214
23	A23K	11.6	98	125	B24B	14.1	42	227	B65G	15.2	159	329	D01F	12.8	24	431	F16N	14.4	11	533	G08C	12.4	22
24	A23L	12.6	323	126	B24C	10.3	16	228	B65H	13.7	137	330	D01G	11.0	1	432	F16P	14.2	5	534	G08G	12.5	89
25	A23N	14.4	9	127	B24D	9.9	27	229	B66B	22.9	43	331	D01H	32.8	1	433	F16T	14.1	3	535	G09B	16.7	100
26	A23P	15.9	47	128	B25B	17.3	66	230	B66C	12.0	49	332	D02G	19.1	15	434	F17C	10.8	220	536	G09C	16.6	3
27	A23V	12.4	94	129	B25C	9.4	8	231	B66D	14.2	23	333	D02H	33.3	0	435	F17D	18.0	17	537	G09F	15.2	132
28	A23Y	7.2	2	130	B25D	9.7	7	232	B66F	15.8	51	334	D03C	19.2	5	436	F21K	6.8	8	538	G09G	12.5	137
29	A24B	14.2	72	131	B25F	8.2	14	233	B67B	15.8	12	335	D03D	17.2	29	437	F21L	18.7	6	539	G10C	33.3	0
30	A24C	17.2	51	132	B25G	15.4	7	234	B67C	10.5	4	336	D04B	14.9	11	438	F21S	13.8	39	540	G10D	14.8	14
31	A24D	22.9	206	133	B25H	15.5	17	235	B67D	18.2	89	337	D04C	13.6	3	439	F21V	13.3	91	541	G10G	19.7	4
32	A24F	14.6	182	134	B25J	11.5	52	236	B68B	1.8	8	338	D04H	14.8	28	440	F21W	12.6	9	542	G10H	8.9	24
33	A41B	14.4	15	135	B26B	23.7	161	237	B68C	19.8	5	339	D05B	17.4	2	441	F21Y	10.4	24	543	G10K	15.9	46
34	A41C	21.2	18	136	B26D	16.5	42	238	B68G	24.7	4	340	D05C	40.0	1	442	F22B	6.6	14	544	G10L	10.3	125
35	A41D	15.3	86	137	B26F	11.4	7	239	B81B	9.5	29	341	D06B	16.3	5	443	F22D	2.7	3	545	G11B	15.3	96
36	A41F	20.1	9	138	B27B	14.5	13	240	B81C	5.4	27	342	D06C	8.0	1	444	F23B	5.1	2	546	G11C	10.2	68
37	A41G	7.4	6	139	B27C	21.2	1	241	B82B	12.6	3	343	D06F	15.1	91	445	F23C	18.4	38	547	G12B	9.1	0
38	A41H	23.1	5	140	B27D	50.0	0	242	B82Y	16.5	94	344	D06H	6.4	2	446	F23D	14.9	80	548	G16B	21.5	64
39	A42B	15.4	47	141	B27F	13.8	1	243	C01B	17.2	177	345	D06L	12.7	7	447	F23G	16.9	39	549	G16C	17.8	11
40	A42C	10.8	1	142	B27G	12.9	4	244	C01C	11.6	4	346	D06M	17.9	60	448	F23H	18.9	1	550	G16H	15.4	89
41	A43B	12.0	88	143	B27K	19.0	19	245	C01D	17.0	2	347	D06N	14.7	12	449	F23J	9.5	17	551	G16Z	18.8	2
42	A43C	16.3	8	144	B27L	50.0	0	246	C01F	12.1	9	348	D06P	19.6	20	450	F23K	19.6	9	552	G21B	18.8	10
43	A43D	13.9	9	145	B27M	29.7	0	247	C01G	19.0	24	349	D06Q	12.4	2	451	F23L	16.7	9	553	G21C	10.2	10
44	A44B	10.1	29	146	B27N	20.2	8	248	C01P	17.5	59	350	D07B	14.9	17	452	F23M	11.3	9	554	G21D	15.4	1
45	A44C	7.0	11	147	B28B	16.3	29	249	C02F	13.5	246	351	D10B	16.1	26	453	F23N	16.7	35	555	G21F	11.3	20
46	A44D	16.5	1	148	B28C	20.7	8	250	C03B	15.2	29	352	D21B	16.0	3	454	F23Q	21.3	3	556	G21G	5.0	4
47	A45B	13.1	10	149	B28D	16.1	7	251	C03C	16.0	84	353	D21C	10.5	22	455	F23R	20.6	172	557	G21H	28.0	1
48	A45C	11.9	67	150	B29B	14.3	36	252	C04B	12.4	191	354	D21D	11.1	13	456	F24B	12.9	12	558	G21J	50.0	0
49	A45D	14.4	186	151	B29C	14.8	546	253	C05B	14.7	2	355	D21F	13.2	53	457	F24C	12.6	30	559	G21K	13.8	19
50	A45F	16.4	49	152	B29D	16.0	58	254	C05C	11.6	2	356	D21G	16.0	2	458	F24D	16.5	81	560	H01B	12.3	74
51	A46B	11.5	65	153	B29K	15.4	104	255	C05D	8.2	4	357	D21H	15.0	68	459	F24F	14.8	157	561	H01C	21.2	8
52	A46D	24.0	3	154	B29L	14.7	68	256	C05F	15.7	11	358	D21J	14.7	4	460	F24H	13.2	58	562	H01F	15.3	150
53	A47B	11.6	76	155	B30B	9.6	33	257	C05G	11.3	7	359	E01B	23.5	45	461	F24S	11.1	48	563	H01G	9.2	58
54	A47C	13.8	99	156	B31B	12.9	39	258	C06B	17.0	16	360	E01C	18.6	56	462	F24T	7.0	5	564	H01H	13.9	165
55	A47D	13.9	37	157	B31D	10.3	7	259	C06C	22.2	1	361	E01D	26.0	12	463	F24V	13.0	1	565	H01J	18.8	462
56	A47F	14.3	56	158	B31F	12.8	15	260	C06D	30.9	1	362	E01F	18.5	64	464	F25B	7.4	70	566	H01K	25.0	1
57	A47G	18.3	107	159	B32B	17.6	414	261	C07B	25.2	83	363	E01H	21.7	11	465	F25C	13.2	16	567	H01L	10.7	1211
58	A47H	14.4	12	160	B33Y	13.3	61	262	C07C	18.1	563	364	E02B	17.1	65	466	F25D	13.2	88	568	H01M	13.0	440
59	A47J	16.4	248	161	B41C	14.8	6	263	C07D	18.6	2610	365	E02D	24.7	114	467	F25J	14.6	61	569	H01P	8.6	72
60	A47K	15.4	122	162	B41F	17.7	45	264	C07F	19.3	134	366	E02F	13.2	103	468	F26B	14.4	39	570	H01Q	13.3	321
61	A47L	17.9	359	163	B41J	19.4	209	265	C07G	5.0	1	367	E03B	20.1	27	469	F27B	15.8	12	571	H01R	14.7	306
62	A61B	15.2	1610	164	B41L	33.3	0	266	C07H	20.4	72	368	E03C	17.5	77	470	F27D	11.9	20	572	H01S	12.5	123
63	A61C	9.6	65	165	B41M	18.9	80	267	C07J	19.3	23	369	E03D	16.1	46	471	F28B	8.3	2	573	H01T	20.7	21
64	A61D	15.6	9	166	B41N	13.0	6	268	C07K	16.8	1177	370	E03F	16.3	41	472	F28C	4.4	2	574	H02B	11.0	14
65	A61F	17.3	860	167	B41P	21.9	8	269	C08B	16.1	32	371	E04B	17.7	177	473	F28D	11.3	82	575	H02G	18.6	158
66	A61G	16.6	145	168	B42C	16.8	2	270	C08C	12.2	1	372	E04C	16.2	57	474	F28F	13.3	64	576	H02H	11.0	121
67	A61H	13.8	95	169	B42D	19.7	149	271	C08F	15.4	223	373	E04D	15.9	53	475	F28G	10.4	9	577	H02J	11.1	290
68	A61J	15.9	105	170	B42F	8.4	5	272	C08G	14.1	321	374	E04F	16.0	97	476	F41A	9.9	13	578	H02K	14.9	356
69	A61K	17.4	3937	171	B42P	7.7	1	273	C08H	14.7	8	375	E04G	19.9	93	477	F41B	10.6	14	579	H02M	13.4	429
70	A61L	19.8	451	172	B43K	15.3	11	274	C08J	14.8	170	376	E04H	17.2	114	478	F41F	5.9	4	580	H02N	11.2	18
71	A61M	19.5	2708	173	B43L	22.5	1	275	C08K	14.5	188	377	E05B	14.0	141	479	F41G	17.9	25	581	H02P	16.1	186
72	A61N	15.3	223	174	B43M	19.8	6	276	C08L	13.7	205	378	E05C	21.6	29	480	F41H	15.4	64	582	H02S	7.4	14
73	A61P	19.2	142	175	B44B	16.3	3	277	C09B	14.7	113	379	E05D	13.8	32	481	F41J	11.6	8	583	H03B	7.4	23
74	A61Q	15.6	312	176	B44C	9.9	10	278	C09C	16.0	26	380	E05F	17.4	27	482	F42B	17.1	65	584	H03C	4.7	3
75	A62B	21.4	155	177	B44D	14.5	16	279	C09D	17.3	315	381	E05G	21.3	12	483	F42C	12.6	9	585	H03D	10.9	25
76	A62C	18.0	90	178	B44F	17.4	5	280	C09G	2.2	1	382	E05Y	14.1	52	484	F42D	19.7	8	586	H03F	11.1	231
77	A62D	19.9	5	179	B60B	16.0	50	281	C09H	30.1	0	383	E06B	17.6	180	485	G01B	18.7	253	587	H03G	6.1	40
78	A63B	14.7	233	180	B60C	14.3	82	282	C09J	13.8	63	384	E06C	23.7	25	486	G01C	12.5	131	588	H03H	6.7	69
79	A63C	10.8	17	181	B60D	9.4	23	283	C09K	18.7	341	385	E21B	21.6	1260	487	G01D	19.7	176	589	H03J	9.2	10
80	A63D	15.2	5	182	B60F	24.8	21	284	C10B	15.8	14	386	E21C	17.8	15	488	G01F	16.3	243	590	H03K	11.3	195
81	A63F	13.9	168	183	B60G	14.7	94	285	C10C	11.4	1	387	E21D	18.2	12	489	G01G	12.1	51	591	H03L	3.5	41
82	A63G	15.0	12	184	B60H	3.7	25	286	C10F	50.0	0	388	E21F	17.9	2	490	G01H	18.8	53	592	H03M	14.5	174
83	A63H	13.0	50	185	B60J	11.4	42	287	C10G	10.0	125	389	F01B	17.0	14	491	G01J	10.6	155	593	H04B	10.9	652
84	A63J	22.2	5	186	B60K	13.7	147	288	C10J	14.8	29	390	F01C	18.3	29	492	G01K	17.0	80	594	H04H	14.3	85
85	A63K	50.0	1	187	B60L	10.8	92	289	C10K	15.2	4	391	F01D	18.2	529	493	G01L	18.0	124	595	H04J	11.8	104
86	B01B	35.7	0	188	B60M	20.9	2	290	C10L	19.3	299	392	F01K	12.3	46	494	G01M	16.0	166	596	H04K	20.9	10
87	B01D	15.6	572	189	B60N	10.6	153	291	C10M	18.4	273	393	F01L	17.4	72	495	G01N	17.9	2527	597	H04L	9.8	2586
88	B01F	13.8	157	190	B60P	16.5	70	292	C10N	18.0	177	394	F01M	9.5	34	496	G01P	17.2	76	598	H04M	10.5	380
89	B01J	16.8	596	191	B60Q	8.6	46	293	C11B	13.9	55	395	F01N	12.4	150	497	G01Q	25.8	21	599	H04N	10.7	1231
90	B01L	17.0	317	192	B60R	11.5	275	294	C11C	8.5	12	396	F01P	10.4	30	498	G01R	12.8	373	600	H04Q	10.4	118
91	B02B	66.7	2	193	B60S	8.7	33	295	C11D	13.8	1054	397	F02B	13.4	109	499	G01S	14.8	521	601	H04R	10.6	255
92	B02C	16.1	103	194	B60T	14.2	134	296	C12C	14.5	12	398	F02C	20.4	198	500	G01T	17.5	84	602	H04S	13.8	34
93	B03B	11.4	13	195	B60V	40.3	4	297	C12F	18.9	1	399	F02D	12.3	174	501	G01V	22.3	472	603	H04W	10.3	2991
94	B03C	17.8	41	196	B60W	16.1	332	298	C12G	10.1	2	400	F02F	8.6	17	502	G02B	16.0	580	604	H05B	11.0	320
95	B03D	11.7	7	197	B60Y	12.2	20	299	C12H	14.1	4	401	F02G	16.8	19	503	G02C	12.4	37	605	H05F	1.9	1
96	B04B	22.9	25	198	B61B	6.5	6	300	C12M	12.9	93	402	F02K	25.1	56	504	G02F	14.6	170	606	H05G	10.4	8
97	B04C	21.9	33	199	B61C	7.6	2	301	C12N	15.4	791	403	F02M	15.2	294	505	G03B	16.5	56	607	H05H	16.3	43
98	B05B	15.8	259	200	B61D	11.5	19	302	C12P	15.1	139	404	F02N	10.7	16	506	G03C	22.8	6	608	H05K	11.5	217
99	B05C	17.5	45	201	B61F	18.8	15	303	C12Q	18.4	707	405	F02P	15.4	13	507	G03F	12.5	41
100	B05D	14.2	88	202	B61G	11.7	3	304	C12R	13.9	12	406	F03B	20.1	95	508	G03G	16.1	27
101	B06B	18.3	15	203	B61H	11.4	1	305	C12Y	14.0	79	407	F03C	24.7	7	509	G03H	19.1	80
102	B07B	20.4	39	204	B61K	9.7	6	306	C13B	20.2	2	408	F03D	13.8	155	510	G04B	3.7	5

Table A2. UK science space: present science subjects and their associated UK domestic citation ratio as well as the count of publications that list a specific science subject.

No.	Science subject	Abbreviation	UK_CITE	UK_PUBS	No.	Science subject	Abbreviation	UK_CITE	UK_PUBS
1	Acoustics	ACOU	21.34	2619	73	Mathematical and computational biology	MATC	17.73	3051
2	Agriculture	AGRI	17.11	15,392	74	Mathematical methods in social sciences	MATM	19.97	486
3	Allergy	ALLE	15.60	2022	75	Mathematics	MATH	16.16	24,396
4	Anatomy and morphology	ANAT	15.58	1528	76	Mechanics	MECH	18.30	7109
5	Anaesthesiology	ANES	20.70	5354	77	Medical ethics	MEDE	26.22	130
6	Anthropology	ANTH	17.45	552	78	Medical informatics	MEDI	22.36	1115
7	Archaeology	ARCA	20.87	213	79	Medical laboratory technology	MEDL	15.45	2450
8	Architecture	ARCH	16.34	13	80	Metallurgy and metallurgical engineering	META	14.25	5269
9	Area studies	AREA	20.51	2	81	Meteorology and atmospheric sciences	METE	15.40	10,117
10	Art	ARTS	17.06	17	82	Microbiology	MICB	15.44	16,821
11	Arts and humanities – other topics	ARTH	9.41	5	83	Microscopy	MICS	18.85	1292
12	Astronomy and astrophysics	ASTR	14.48	38,147	84	Mineralogy	MINE	16.07	1602
13	Audiology and speech–language pathology	AUDI	21.55	929	85	Mining and mineral processing	MINI	14.24	401
14	Automation and control systems	AUTO	16.12	4474	86	Music	MUSI	10.92	27
15	Behavioral sciences	BEHA	21.75	4060	87	Mycology	MYCO	13.85	1328
16	Biochemistry and molecular biology	BIOC	15.51	55,480	88	Neurosciences and neurology	NEUR	16.12	54,192
17	Biodiversity and conservation	BIOD	19.85	2838	89	Nuclear science and technology	NUCL	14.08	3016
18	Biomedical social sciences	BIOM	24.02	416	90	Nursing	NURS	24.04	2176
19	Biophysics	BIOP	14.88	8107	91	Nutrition and dietetics	NUTR	18.36	8141
20	Biotechnology and applied microbiology	BIOT	14.79	13,571	92	Obstetrics and gynaecology	OBST	18.27	8853
21	Business and economics	BUSI	20.18	2275	93	Oceanography	OCEA	18.65	4498
22	Cardiovascular system and cardiology	CARD	15.25	25,627	94	Oncology	ONCO	13.54	33,396
23	Cell biology	CELL	14.92	23,753	95	Operations research and management science	OPER	15.60	2903
24	Chemistry	CHEM	14.44	95,196	96	Ophthalmology	OPHT	18.37	9753
25	Communication	COMM	19.94	10	97	Optics	OPTI	15.46	15,162
26	Computer science	COMP	16.31	31,969	98	Orthopaedics	ORTH	15.16	4964
27	Construction and building technology	CONS	19.72	1401	99	Otorhinolaryngology	OTOR	14.82	4012
28	Criminology and penology	CRIM	44.00	2	100	Palaeontology	PALE	19.96	2402
29	Crystallography	CRYS	17.67	4120	101	Parasitology	PARA	18.42	5169
30	Demography	DEMO	16.88	4	102	Pathology	PATH	14.38	6833
31	Dentistry, oral surgery and medicine	DENT	16.94	8317	103	Pediatrics	PEDI	17.82	11,729
32	Dermatology	DERM	17.23	6823	104	Pharmacology and pharmacy	PHAR	15.20	32,607
33	Developmental biology	DEVE	16.39	4572	105	Philosophy	PHIL	21.52	50
34	Education and educational research	EDUC	30.27	1309	106	Physical geography	PHYG	20.93	3644
35	Electrochemistry	ELEC	11.25	4448	107	Physics	PHYS	12.13	95,897
36	Emergency medicine	EMER	18.65	2266	108	Physiology	PHYL	16.07	8403
37	Endocrinology and metabolism	ENDO	16.44	20,135	109	Plant sciences	PLAN	16.00	17,355
38	Energy and fuels	ENER	12.85	4915	110	Polymer science	POLY	12.22	10,428
39	Engineering	ENGI	15.93	63,156	111	Psychiatry	PSYH	20.32	13,302
40	Entomology	ENTO	17.29	3869	112	Psychology	PSYC	23.33	7961
41	Environmental sciences and ecology	ENVI	17.36	30,379	113	Public administration	PUBA	14.77	25
42	Ethnic studies	ETHN	42.86	25	114	Public, environmental and occupational health	PUBE	19.57	13,967
43	Evolutionary biology	EVOL	19.06	4969	115	Radiology, nuclear medicine and medical imaging	RADI	14.87	15,417
44	Family studies	FAMI	15.54	14	116	Rehabilitation	REHA	19.72	2474
45	Fisheries	FISH	15.54	2846	117	Remote sensing	REMO	14.39	1702
46	Food science and technology	FOOD	13.22	8033	118	Reproductive biology	REPR	17.08	3324
47	Forestry	FORE	12.81	2496	119	Research and experimental medicine	RESE	13.93	12,574
48	Gastroenterology and hepatology	GAST	13.31	12,802	120	Respiratory system	RESP	17.56	8010
49	General and internal medicine	GENE	20.24	33,816	121	Rheumatology	RHEU	16.51	7199
50	Genetics and heredity	GENE	16.07	20,328	122	Robotics	ROBO	14.31	1162
51	Geochemistry and geophysics	GEOC	16.22	10,545	123	Science and technology – other topics	SCIE	14.44	51,070
52	Geography	GEOG	24.14	169	124	Social issues	SOCI	28.13	112
53	Geology	GEOL	19.18	18,310	125	Social sciences – other topics	SOCS	28.21	559
54	Geriatrics and gerontology	GERI	15.65	4294	126	Social work	SOCW	12.82	10
55	Government and law	GOVE	28.62	43	127	Sociology	SOCL	28.74	25
56	Health care sciences and services	HEAL	24.03	5909	128	Spectroscopy	SPEC	13.98	3725
57	Haematology	HEMA	14.56	12,259	129	Sport sciences	SPOR	17.07	5264
58	History	HIST	35.93	23	130	Substance abuse	SUBS	16.28	1301
59	History and philosophy of science	HISP	29.60	645	131	Surgery	SURG	14.79	18,296
60	Imaging science and photographic technology	IMAG	15.25	2158	132	Telecommunications	TELE	12.28	4558
61	Immunology	IMMU	14.24	19,604	133	Thermodynamics	THER	12.92	2234
62	Infectious diseases	INFE	15.09	9353	134	Toxicology	TOXI	14.10	5686
63	Information science and library science	INFO	21.95	549	135	Transplantation	TRAP	14.21	2676
64	Instruments and instrumentation	INST	15.52	4722	136	Transportation	TRAN	15.99	980
65	Integrative and complementary medicine	INTE	13.86	1556	137	Tropical medicine	TROP	15.19	2050
66	International relations	INTE	5.88	1	138	Urban studies	URBA	13.85	56
67	Legal medicine	LEGA	17.15	830	139	Urology and nephrology	UROL	13.30	10,750
68	Life sciences and biomedicine – other topics	LIFE	17.88	8227	140	Veterinary sciences	VETE	18.60	9578
69	Linguistics	LING	26.94	295	141	Virology	VIRO	15.07	7274
70	Literature	LITE	14.29	1	142	Water resources	WATE	18.60	4779
71	Marine and freshwater biology	MARI	17.94	7110	143	Women’s studies	WOME	12.84	37
72	Materials science	MATE	13.58	39,157	144	Zoology	ZOOL	19.72	8674