title: Letter: Nitrazepam and diazepam.
mesh_terms: D000328:Adult; D000368:Aged; D001795:Blood Pressure Determination; D003975:Diazepam / Q000009:adverse effects*; D006801:Humans; D007024:Hypotension, Orthostatic / Q000139:chemically induced*; D008875:Middle Aged; D009567:Nitrazepam / Q000627:therapeutic use*
chemical_list: D009567:Nitrazepam; D003975:Diazepam