Respiratory hazards of opiates and other narcotic analgesics.
D000700:Analgesics / Q000009:adverse effects*; D000701:Analgesics, Opioid; D006801:Humans; D009294:Narcotics / Q000009:adverse effects*; D012119:Respiration / Q000187:drug effects*
D000700:Analgesics; D000701:Analgesics, Opioid; D009294:Narcotics
ANALGESICS/injurious effects; NARCOTICS/injurious effects; RESPIRATION/effect of drugs on