title: Systemic activity of orally administered L-dopa in the elderly Parkinson patient.
mesh_terms: D000284:Administration, Oral; D000328:Adult; D000367:Age Factors; D000368:Aged; D001682:Biological Availability; D005260:Female; D006801:Humans; D007408:Intestinal Absorption; D007700:Kinetics; D007980:Levodopa / Q000008:administration & dosage / Q000378:metabolism* / Q000627:therapeutic use; D008297:Male; D008657:Metabolic Clearance Rate; D010300:Parkinson Disease / Q000188:drug therapy*
chemical_list: D007980:Levodopa