title: Wild-albino hybrids and albino rats: thyroid weight but not muricide differences.
mesh_terms: D000374:Aggression; D000818:Animals; D006801:Humans; D006824:Hybridization, Genetic; D009929:Organ Size; D051381:Rats / Q000235:genetics*; D011919:Rats, Inbred Strains; D013961:Thyroid Gland / Q000033:anatomy & histology*