title: [Effect of thyroxin on gas exchange in rats of various age groups].
mesh_terms: D000375:Aging; D000818:Animals; D019069:Cell Respiration; D051381:Rats; D012119:Respiration / Q000494:pharmacology*; D013974:Thyroxine
chemical_list: D013974:Thyroxine
keywords: AGING; RESPIRATION/pharmacology