共 21 条
[2]
DIXON WJ, 1985, BMDP STATISTICAL SOF
[5]
*I MED, 1985, COMM STUD PREV OUS B, pCH2
[6]
IMPROVED GAS-CHROMATOGRAPHIC METHOD FOR THE DETERMINATION OF NICOTINE AND COTININE IN BIOLOGIC FLUIDS
[J].
JOURNAL OF CHROMATOGRAPHY,
1981, 222 (01)
:61-70
[7]
SMOKING DURING PREGNANCY, 1967-80
[J].
AMERICAN JOURNAL OF PUBLIC HEALTH,
1987, 77 (07)
:823-825
[10]
SMOKING IN PREGNANCY - EFFECTS OF STOPPING AT DIFFERENT STAGES
[J].
BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY,
1988, 95 (06)
:551-555