References
- Eldon Knud. Gleichzeitige ABO-und Rhesus-Bestimmung auf Karten. Das Artztliche Laboratorium 1957; 3: 7–8
- Kemp Tage. Arv og Kår 1956; 158–185
- Kemp, et al. Nyere human-genetiske aspekter. Ugeskr. f. Læger 1957; 119: 15
- Proceedings of the first international congress of human genetics, part III, Kemp. 1957
- Lafferty, et al. Schizophrenia in relation to blood groups ABO and blood types Rh. D. and N. Am. J. Psychiat. 1957; 113: 117
- Lafferty, et al. Schizophrenia in relation to blood groups ABO and blood type Rh.D. and MN. Am. Psychiat. 1958; 115: 161