Effect of preoperative opioid administration on postoperative pain.
Katz
J
J
Kavanagh
B P
BP
Sandler
A N
AN
D015760:Alfentanil / Q000627:therapeutic use*; D006801:Humans; D009407:Nerve Block; D010149:Postoperative Pain / Q000517:prevention & control*; D011292:Premedication
D015760:Alfentanil