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Progestins, breast cancer, and the limitations of epidemiology
Fertility and Sterility
|March 1, 1992
Abstract
No abstract available in PubMed .
Keywords:
AmericasBreast Cancer--prevention and controlCancerContraceptionContraceptive Agents, Female--complicationsContraceptive Agents, Progestin--complicationsContraceptive Agents--complicationsContraceptive Methods--complicationsCritiqueDeveloped CountriesDeveloping CountriesDiseasesEvaluationFamily PlanningInjectables--complicationsNeoplasmsNorth AmericaNorthern AmericaRisk AssessmentUnited States