Induced Abortion and the Risk of Breast Cancer
Olsen, Jorgen H.
Andersen, Per Kragh
New England Journal of Medicine 1997 January 9; 336(2): 81- 85
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Westergaard, Tine; Wohlfahrt, Jan; Aaby, Peter; Melbye, Mads (1997-03-15)OBJECTIVE: To study trends in multiple pregnancies not explained by changes in maternal age and parity patterns. DESIGN: Trends in population based figures for multiple pregnancies in Denmark studied from complete national ...