title: [Letter: Breast carcinogenesis. Ambiguous role of pregnancy].
mesh_terms: D000328:Adult; D001943:Breast Neoplasms / Q000453:epidemiology*; D005260:Female; D006801:Humans; D008423:Maternal Age; D008875:Middle Aged; D010298:Parity; D011247:Pregnancy; D011248:Pregnancy Complications; D013997:Time Factors
vernacular_title: Lettre: La carcinogénèse mammaire. Le rõle équivoque la grossesse.