共 17 条
- [1] COHEN H, 1968, AM J HUM GEN, V20, P197
- [3] CZEIZEL E, 1967, GYNAECOLOGIA, V104, P89
- [4] ERHARDT CL, 1966, SEASON CONNEPTIO ASA, P390
- [5] GESTATIONAL INTERVAL FROM VITAL RECORDS [J]. AMERICAN JOURNAL OF PUBLIC HEALTH AND THE NATIONS HEALTH, 1970, 60 (08): : 1496 - &
- [6] NELSON FG, 1966, INFLUCNCE SEASON CON
- [7] PRASAD BG, 1969, INDIAN J MED RES, V57, P718
- [8] ROSENBERG HM, 1966, SEASONAL VARIATIO 21
- [10] SLATIS HM, 1953, AM J HUM GENET, V5, P21