title: Letter: An evolutionary theory of premenstrual tension.
mesh_terms: D005075:Biological Evolution; D005260:Female; D005306:Fertilization; D006801:Humans; D008297:Male; D010060:Ovulation; D010166:Palliative Care; D011293:Premenstrual Syndrome / Q000209:etiology* / Q000628:therapy; D012725:Sexual Behavior