Suspected myocardial infarction: early diagnostic value of analgesic requirements.
D000368:Aged; D000700:Analgesics / Q000008:administration & dosage*; D004305:Dose-Response Relationship, Drug; D005260:Female; D003932:Heroin / Q000008:administration & dosage; D006801:Humans; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000175:diagnosis* / Q000188:drug therapy; D013997:Time Factors
D000700:Analgesics; D003932:Heroin