title: An anal cup for rats in metabolic studies involving radioactive materials.
mesh_terms: D001003:Anal Canal; D000818:Animals; D005243:Feces / Q000032:analysis; D008297:Male; D008660:Metabolism; D011868:Radioisotopes; D051381:Rats; D013048:Specimen Handling / Q000295:instrumentation*; D014556:Urine / Q000032:analysis
chemical_list: D011868:Radioisotopes