Oral contraceptives and primary liver cancer.
La Vecchia
C
C
Mario Negri Institute for Pharmacological Research, Milan, Italy.
Negri
E
E
Parazzini
F
F
D000328:Adult; D003276:Contraceptives, Oral / Q000009:adverse effects*; D005260:Female; D006801:Humans; D008113:Liver Neoplasms / Q000139:chemically induced*; D008875:Middle Aged
D003276:Contraceptives, Oral