title: Muscle mass determination by isotopic dilution of creatine-14C.
mesh_terms: D000818:Animals; D001823:Body Composition; D002247:Carbon Isotopes; D003401:Creatine / Q000652:urine; D005243:Feces / Q000032:analysis; D008297:Male; D008722:Methods; D009132:Muscles; D009929:Organ Size; D011865:Radioisotope Dilution Technique; D051381:Rats
chemical_list: D002247:Carbon Isotopes; D003401:Creatine