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Trends in Parity and Breast Cancer Incidence in US Women Younger Than 40 Years From 1935 to 2015
IMPORTANCE: During the past several decades, breast cancer incidence has been increasing for women younger than 40 years. The increase matches the decrease in parity, an established breast cancer risk factor, but secular trends in incidence have not been examined prior to the 1970s. OBJECTIVE: To ex...
| Autores principales: | , , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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American Medical Association
2020
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7070232/ https://www.ncbi.nlm.nih.gov/pubmed/32167569 http://dx.doi.org/10.1001/jamanetworkopen.2020.0929 |