title: Absorption and metabolism of L-dopa by the human stomach.
mesh_terms: D000368:Aged; D002247:Carbon Isotopes; D004295:Dihydroxyphenylalanine / Q000008:administration & dosage / Q000097:blood / Q000378:metabolism* / Q000652:urine; D005750:Gastric Juice; D005753:Gastric Mucosa / Q000378:metabolism*; D006801:Humans; D006863:Hydrogen-Ion Concentration; D007408:Intestinal Absorption; D008875:Middle Aged; D010300:Parkinson Disease / Q000378:metabolism
chemical_list: D002247:Carbon Isotopes; D004295:Dihydroxyphenylalanine