[On the vitamin A content of rat liver in relation to age, nutrition during breeding, and season].
D000375:Aging / Q000502:physiology*; D000818:Animals; D001947:Breeding; D008099:Liver / Q000737:chemistry*; D009752:Nutritional Status; D051381:Rats; D012621:Seasons; D014801:Vitamin A / Q000737:chemistry*
D014801:Vitamin A
AGING/physiology; LIVER/chemistry; VITAMIN A/chemistry