共 12 条
[2]
CHEN LC, 1974, STUD FAMILY PLANN, V15, P334
[5]
SURVIVAL-TIME AFTER AIDS IN PREGNANCY
[J].
BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY,
1992, 99 (08)
:633-636
[6]
KLUFIO CA, 1992, PAPUA NEW GUINEA MED, V35, P249
[7]
PECKHAM CS, 1983, OBSTETRICAL EPIDEMIO
[8]
RUTENBERG NJ, 1990, MAY ANN M POP ASS AM
[9]
RUTENBORG N, UNPUB DIRECT INDIREC
[10]
SOMMERFELT AE, 1991, MATERNAL CHILD HLTH