British Journal of Cancer · 1988 · 118 citations · 10 references
MedicineOncologyContraceptionFamily PlanningReproductive HealthContraceptive CareContraceptive MethodsContraceptive SafetyContraceptive UseFemale ContraceptionSide EffectsBreast Cancer HistoryContraceptive MisconceptionsHormonal Contraceptive SafetyOral Contraceptive CounselingOral Contraceptive DiscontinuationOral Contraceptive EffectivenessOral Contraceptive SafetyReproductive Cancer Prevention
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Age at first birth and breast cancer risk.
Brian MacMahon, Philip Cole, T. M. Lin et al. · PubMed · 1970 · 890 citations