Age at first birth, parity and risk of breast cancer in a Swedish population.
A case-control study was conducted over a period of 11 months in an area containing one-third of the Swedish population. One thousand and one patients participated, constituting 94% of all women newly diagnosed as having breast cancer within the area. They were compared with 1,001 age-matched, non-h...
Main Authors: | , , , |
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Format: | Online |
Language: | English |
Published: |
1980
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Online Access: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2010566/ |