References
- Campbell W. A.B. Lancet 1953; 1: 173
- Coffey V. P., Jessop W. J.E. Irish J. Med. Sd. 1955; 349: 30
- Coffey V. P., Jessop W. J.E. Lancet 1963; 1: 748
- Gregg N. Mc.A. Trans. Ophtal. Soc. Aust. 1941; 3: 35
- Hedberg E., Holmdahl K., Pehrson S., Zackrisson U. Acta Paediat. Scand. 1963; 52: 353
- Lamy M., Frézal J. First International Conference on Congenital Malformations. J. B. Lippincott Company, Philadelphia 1961
- Landtmann B. Arch. Dis. Child. 1948; 23: 237
- McDonald A. D. New Engl. J. Med. 1958; 258: 767
- McLntosh R., Merrit K., Richards M., Samuels M., Bellows M. Pediatrics 1954; 14: 505
- Neel J. V. First International Conference on Congenital Malformations. J. B. Lippincott Company, Philadelphia 1961
- Penrose L. S. J. Ment. Sci. 1939; 85: 1141
- Record R. G., McKeown T. Brit. J. Social Med. 1950; 4: 26
- Schtvalbe E. L. Aschoff Pathologische Anatomie. Jena 1919
- Takala M. E. Ann. Chir. Gynaec. Fenn. 1958; 47, Suppl. 77