title: Letter: Are there safer hypnotics than barbiturates?
mesh_terms: D001463:Barbiturates / Q000009:adverse effects / Q000633:toxicity*; D003645:Death, Sudden; D006801:Humans; D009567:Nitrazepam / Q000009:adverse effects / Q000633:toxicity*; D011041:Poisoning / Q000401:mortality; D013405:Suicide / Q000453:epidemiology; D006113:United Kingdom
chemical_list: D001463:Barbiturates; D009567:Nitrazepam