%0 Journal Article %K Female %K Humans %K *Breast Neoplasms/chemically induced/epidemiology %K Case-Control Studies %K Contraceptives, Oral, Hormonal/adverse effects %K Logistic Models %K *Progestins/adverse effects %K United Kingdom/epidemiology %K Adult %K Middle Aged %B PLoS Med %D 2023 %G eng %M 36943819 %P e1004188 %R 10.1371/journal.pmed.1004188 %T Combined and progestagen-only hormonal contraceptives and breast cancer risk: A UK nested case-control study and meta-analysis %V 20 %2 PMC10030023 %7 2023/03/22 %@ 1549-1277 (Print) 1549-1277