Spontaneous and induced summer hibernation in 13-lined ground squirrels.
D000818:Animals; D006224:Cricetinae; D006605:Hibernation; D008297:Male; D008647:Mesocricetus / Q000097:blood; D012377:Rodentia / Q000502:physiology*; D012589:Sciuridae / Q000502:physiology*; D012621:Seasons