title: [Clinical effects of oral L-threo-3,4-dihydroxyphenylserine on orthostatic hypotension in patients with Shy-Drager syndrome].
mesh_terms: D000328:Adult; D000368:Aged; D001342:Autonomic Nervous System Diseases / Q000188:drug therapy*; D015103:Droxidopa / Q000627:therapeutic use*; D006801:Humans; D007024:Hypotension, Orthostatic / Q000188:drug therapy*; D008297:Male; D008875:Middle Aged; D012694:Serine / Q000031:analogs & derivatives*; D012791:Shy-Drager Syndrome / Q000188:drug therapy*
chemical_list: D012694:Serine; D015103:Droxidopa