Chronic back pain: searching for causes and cures.
Atkinson
J Hampton
JH
D000082:Acetaminophen / Q000627:therapeutic use*; D002908:Chronic Disease; D004359:Drug Therapy, Combination; D006801:Humans; D017116:Low Back Pain / Q000175:diagnosis* / Q000188:drug therapy* / Q000453:epidemiology; D010147:Pain Measurement; D011379:Prognosis; D012720:Severity of Illness Index; D018434:Sickness Impact Profile; D014147:Tramadol / Q000627:therapeutic use*; D016896:Treatment Outcome
D000082:Acetaminophen; D014147:Tramadol