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Bias in Observational Studies of the Association between Menopausal Hormone Therapy and Breast Cancer
BACKGROUND: During the period 1985-2000 the breast cancer incidence rates increased 50% in the age group invited to mammography screening in Norway and Sweden. Simultaneously, use of hormone replacement treatment therapy (HT) increased 5 times. Several influential observational studies showed that H...
| Autores principales: | , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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Public Library of Science
2015
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4418576/ https://www.ncbi.nlm.nih.gov/pubmed/25938446 http://dx.doi.org/10.1371/journal.pone.0124076 |