Use of oral contraceptives by adolescents in Finland.
Fleming
C
C
Coles
R
R
Cahill
D J
DJ
D000293:Adolescent; D003276:Contraceptives, Oral / Q000009:adverse effects*; D005260:Female; D006801:Humans; D013923:Thromboembolism / Q000139:chemically induced*
D003276:Contraceptives, Oral