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