title: Documentation of radioactive contaminants in tritium labeled hematoporphyrin derivative.
mesh_terms: D000818:Animals; D001932:Brain Neoplasms / Q000000981:diagnostic imaging / Q000378:metabolism; D017324:Hematoporphyrin Derivative; D006415:Hematoporphyrins / Q000008:administration & dosage / Q000378:metabolism*; D008297:Male; D011877:Radionuclide Imaging; D051381:Rats; D011916:Rats, Inbred F344; D014018:Tissue Distribution; D014316:Tritium
chemical_list: D006415:Hematoporphyrins; D014316:Tritium; D017324:Hematoporphyrin Derivative