共 6 条
- [1] SEASONAL-VARIATION IN THE BIRTHS OF THE MENTALLY DEFICIENT [J]. AMERICAN JOURNAL OF PUBLIC HEALTH AND THE NATIONS HEALTH, 1958, 48 (09): : 1201 - 1208
- [2] *NAT CTR HLTH STAT, 1957, VIT STAT US, V1, P207
- [4] RACE, COMPLICATIONS OF PREGNANCY, AND NEUROPSYCHIATRIC DISORDER [J]. SOCIAL PROBLEMS, 1957, 5 (03) : 267 - 278
- [5] SEASONAL VARIATION IN COMPLICATIONS OF PREGNANCY [J]. OBSTETRICS AND GYNECOLOGY, 1958, 12 (01) : 110 - 112
- [6] SOBIN S, 1955, 14 MR PED RES C REP, P13