@misc{indiciaec776b76c84c8, title = {Tramadol today.}, author = {P J le Roux and J F Coetzee}, year = {2000}, doi = {10.1097/00001503-200008000-00010}, url = {https://pubmed.ncbi.nlm.nih.gov/17016341/}, note = {Source identifier: 17016341} }