References
- LUPSAIU , S. and DELEANU , M. 1974 . Hematological data in blood donors at Cluj during different seasons of the year . J. interdiscipl. Cycle Res. , 5 ( 3–4 ) : 303 (Abstract).
- TROMP , S. W. 1974 . Long‐term fluctuations in blood pressure patterns . J. interdiscipl. Cycle Res. , 5 ( 3–4 ) : 309 – 312 .
- Blood Transfusion Centre, Balcescu 18, 3400 Cluj‐Napoca, Romania.