共 21 条
- [1] ALTMAN LK, 1977, NY TIMES 0911
- [2] TRENDS IN ATTITUDES TOWARD ABORTION, 1972-1975 [J]. FAMILY PLANNING PERSPECTIVES, 1976, 8 (03): : 117 - 124
- [3] *BUR LAB STAT, 1976, ANN EARN EMPL PATT
- [4] CONLEY RW, 1973, EC MENTAL RETARDATIO
- [5] *CTR DIS CONTR, 1978, CONG MALF SUR REP JA
- [6] DOUGLAS DL, 1977, LANCET, V1, P42
- [7] HAGARD S, 1976, BRIT J PREV SOC MED, V30, P40
- [8] KLONZA EM, 1977, SEP C SCREEN NEUR TU
- [10] CAUSATION OF NEURAL TUBE DEFECTS - CLUES FROM EPIDEMIOLOGY [J]. BRITISH MEDICAL BULLETIN, 1974, 30 (02) : 158 - 163