The role of reproductive factors and use
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Cecilia M. Magnusson; Ingemar R. Persson; John A. Baron; Anders Ekbom; Reinhold
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Article
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1999
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John Wiley and Sons
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French
β 84 KB
π 2 views
It is unclear whether age at menarche is causally involved in breast-cancer aetiology, or serves a correlate of other earlylife exposures. Other aspects of reproductive life, including cycle length and regularity, climacteric symptoms, reproductive history and oral contraceptive use, are also incomp