Thyroxine secretion rates and plasma cholesterol levels of young and old rats.
D000375:Aging / Q000502:physiology*; D000818:Animals; D001769:Blood; D002784:Cholesterol / Q000097:blood*; D051381:Rats; D013974:Thyroxine / Q000502:physiology*
D002784:Cholesterol; D013974:Thyroxine
AGING/physiology; BLOOD; CHOLESTEROL/in blood; THYROXIN/physiology