title: Seasonal appearance and seasonal disappearance of menstrual function.
authors.forename: Luc J M
authors.initials: LJ
authors.lastname: Smits
mesh_terms: D000368:Aged; D005260:Female; D006801:Humans; D008597:Menstrual Cycle / Q000502:physiology*; D008875:Middle Aged; D012621:Seasons