Smoking and childbirth.
Hartikaninen-Sorri
A L
AL
Department of Obstetrics and Gynecology, University Hospital of Oulu, Finland.
D005260:Female; D005387:Finland / Q000453:epidemiology; D006801:Humans; D011247:Pregnancy; D011248:Pregnancy Complications / Q000453:epidemiology*; D011256:Pregnancy Outcome; D012307:Risk Factors; D012907:Smoking / Q000009:adverse effects / Q000453:epidemiology*; D013548:Sweden / Q000453:epidemiology