title: Variation of levodopa metabolism with gastrointestinal absorption site.
mesh_terms: D000284:Administration, Oral; D000368:Aged; D000818:Animals; D001711:Biotransformation; D002396:Catechols / Q000652:urine; D004295:Dihydroxyphenylalanine / Q000008:administration & dosage / Q000009:adverse effects / Q000378:metabolism* / Q000627:therapeutic use; D004285:Dogs; D004386:Duodenum / Q000378:metabolism; D004755:Enterobacteriaceae / Q000378:metabolism; D005260:Female; D006719:Homovanillic Acid / Q000652:urine; D006801:Humans; D007263:Infusions, Parenteral; D007408:Intestinal Absorption; D007421:Intestine, Small / Q000378:metabolism / Q000382:microbiology; D007441:Intubation, Gastrointestinal; D008297:Male; D008875:Middle Aged; D009325:Nausea / Q000139:chemically induced; D010300:Parkinson Disease / Q000188:drug therapy / Q000378:metabolism / Q000652:urine; D010648:Phenylacetates / Q000652:urine; D051381:Rats; D013608:Tablets, Enteric-Coated; D014439:Tyramine / Q000652:urine
chemical_list: D002396:Catechols; D010648:Phenylacetates; D013608:Tablets, Enteric-Coated; D004295:Dihydroxyphenylalanine; D006719:Homovanillic Acid; D014439:Tyramine