[Use of oral contraceptives and smoking among Danish women].
Obel
E B
EB
D002318:Cardiovascular Diseases / Q000139:chemically induced; D003276:Contraceptives, Oral / Q000009:adverse effects*; D003718:Denmark; D005260:Female; D006801:Humans; D012307:Risk Factors; D012907:Smoking / Q000009:adverse effects*
D003276:Contraceptives, Oral
P-pillebrug og rygevaner blandt danske kvinder.