Original Source Original Source Original Source Original Source Original Source Original Source Original Source Original Source Original Source Original Source Original Source Original Source Original Source Original Source Original Source Original Source Original Source Original Source Original Source Original Source "Opioid Toxicity" Original Source Original Source Original Source Original Source Original Source kill by respiratory compromise Original Source Original Source Original Source Original Source "Opioid Toxicity" Original Source Original Source Original Source Original Source Original Source Original Source Original Source Original Source Original Source Original Source Original Source "Opioid Toxicity" "Opioid Toxicity" Original Source Original Source Original Source Original Source Original Source Original Source Original Source Original Source Original Source emedicine.medscape.com Original Source