@article {12, editor = {,}, title = {General practitioners{\textquoteright} advice to use topical rather than oral ibuprofen resulted in equivalent effects on chronic knee pain}, volume = {14}, number = {1}, pages = {12--12}, year = {2009}, doi = {10.1136/ebm.14.1.12}, publisher = {Royal Society of Medicine}, issn = {1356-5524}, URL = {https://ebm.bmj.com/content/14/1/12}, eprint = {https://ebm.bmj.com/content/14/1/12.full.pdf}, journal = {BMJ Evidence-Based Medicine} }