Independent double-checks are vital, not perfect.
D000701:Analgesics, Opioid / Q000008:administration & dosage / Q000506:poisoning; D000925:Anticoagulants / Q000008:administration & dosage / Q000506:poisoning; D054796:Drug Dosage Calculations; D004348:Drug Labeling; D006493:Heparin / Q000008:administration & dosage / Q000506:poisoning; D006801:Humans; D008297:Male; D008508:Medication Errors / Q000517:prevention & control*; D008509:Medication Systems; D008875:Middle Aged; D009020:Morphine / Q000008:administration & dosage / Q000506:poisoning
D000701:Analgesics, Opioid; D000925:Anticoagulants; D009020:Morphine; D006493:Heparin