title: Letter: Drug metabolism in disease.
mesh_terms: D000632:Aminopyrine / Q000008:administration & dosage / Q000378:metabolism*; D000983:Antipyrine / Q000378:metabolism*; D001944:Breath Tests; D002245:Carbon Dioxide / Q000032:analysis; D002250:Carbon Radioisotopes; D006207:Half-Life; D006801:Humans; D008107:Liver Diseases / Q000175:diagnosis / Q000378:metabolism*
chemical_list: D002250:Carbon Radioisotopes; D000632:Aminopyrine; D002245:Carbon Dioxide; D000983:Antipyrine