Oral contraceptives and breast cancer: a national study.
Paul, C, Skegg, D C, Spears, G F, Kaldor, J MVolume:
293
Language:
english
Journal:
BMJ
DOI:
10.1136/bmj.293.6549.723
Date:
September, 1986
File:
PDF, 938 KB
english, 1986