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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...

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Detalles Bibliográficos
Autores principales: Zahl, Per-Henrik, Mæhlen, Jan
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Public Library of Science 2015
Materias:
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