(Q70315891)
Statements
A case-control study of oral contraceptive use and breast cancer (English)
A Case-Control Study of Oral Contraceptive Use and Breast Cancer23 (English)
1 reference
1 reference
W Willett
C H Hennekens
M J Stampfer
R. J. Lipnick
B. Rosner
C. Bain
C. Belanger
W. Willett