Malnutrition and heart size.
D000818:Animals; D001835:Body Weight; D003677:Deficiency Diseases / Q000473:pathology*; D006321:Heart / Q000033:anatomy & histology* / Q000254:growth & development; D008099:Liver / Q000033:anatomy & histology / Q000254:growth & development; D008297:Male; D024510:Muscle Development; D009132:Muscles / Q000033:anatomy & histology; D009929:Organ Size; D011488:Protein Deficiency / Q000473:pathology*; D051381:Rats