The art and science of urine drug testing.
Gourlay
Douglas
D
Heit
Howard A
HA
D000701:Analgesics, Opioid / Q000493:pharmacokinetics / Q000627:therapeutic use / Q000652:urine*; D006801:Humans; D010146:Pain / Q000188:drug therapy / Q000652:urine*
D000701:Analgesics, Opioid