title: Prescribing barbiturates: drug substitution in general practice.
mesh_terms: D001463:Barbiturates / Q000627:therapeutic use*; D011307:Drug Prescriptions; D005194:Family Practice; D006801:Humans; D009567:Nitrazepam / Q000627:therapeutic use*; D007319:Sleep Initiation and Maintenance Disorders / Q000188:drug therapy; D019966:Substance-Related Disorders
chemical_list: D001463:Barbiturates; D009567:Nitrazepam