A change in the period of activity in rats kept under constant dim red light from before to after parturition.
Cornelissen
G
G
Haus
E
E
D000818:Animals; D002940:Circadian Rhythm; D003624:Darkness; D005260:Female; D008027:Light; D011247:Pregnancy; D011270:Pregnancy, Animal / Q000502:physiology*; D051381:Rats; D012107:Research Design