Letter: Side benefits of the pill.
D003276:Contraceptives, Oral / Q000494:pharmacology*; D005260:Female; D006197:Hair / Q000187:drug effects*; D006801:Humans; D008593:Menopause / Q000187:drug effects*; D009262:Nails / Q000187:drug effects*; D012867:Skin / Q000187:drug effects*
D003276:Contraceptives, Oral