Coogan PF

ORCID: 0000-0003-3671-7663 · 1 paper in corpus
observational 2009
American Journal of Epidemiology ·doi:10.1093/aje/kwn360

Oral contraceptive (OC) use has been linked to increased risk of breast cancer, largely on the basis of studies conducted before 1990. In the Case-Control Surveillance Study, a US hospital-based case-control study of medication use and canc…