title: Study of naloxone in normal awake man: effects on heart rate and respiration.
mesh_terms: D000328:Adult; D004562:Electrocardiography; D005260:Female; D006339:Heart Rate / Q000187:drug effects*; D006801:Humans; D008297:Male; D009270:Naloxone / Q000494:pharmacology*; D010919:Placebos; D012119:Respiration / Q000187:drug effects*; D013997:Time Factors
chemical_list: D010919:Placebos; D009270:Naloxone