The family physician and smoking in pregnancy.
Batty
H P
HP
Department of Family and Community Medicine, Women's College Hospital, University of Toronto, Ontario, Canada.
King
H F
HF
D000293:Adolescent; D000328:Adult; D003430:Cross-Sectional Studies; D005260:Female; D006801:Humans; D009864:Ontario; D010821:Physicians, Family; D011247:Pregnancy; D012907:Smoking / Q000453:epidemiology