Tramadol article conclusion troubling.
.
Juan J
JJ
Abellan
Johannes C G
JC
van Niel
Mariëlle
M
Eerdekens
D000700:Analgesics / Q000627:therapeutic use*; D059350:Chronic Pain / Q000188:drug therapy*; D006801:Humans; D017116:Low Back Pain / Q000188:drug therapy*
D000700:Analgesics