title: [Light and fertility].
authors.affiliation: Oulun yliopiston fysiologian laitos.
authors.forename: Juhani
authors.initials: J
authors.lastname: Leppäluoto
mesh_terms: D000818:Animals; D001723:Birth Rate / Q000639:trends*; D005260:Female; D005298:Fertility / Q000502:physiology*; D005387:Finland; D006801:Humans; D008027:Light; D008297:Male; D012621:Seasons