@article {161, editor = {,}, volume = {12}, number = {6}, pages = {161--161}, year = {2007}, doi = {10.1136/ebm.12.6.161}, publisher = {Royal Society of Medicine}, issn = {1356-5524}, URL = {https://ebm.bmj.com/content/12/6/161}, eprint = {https://ebm.bmj.com/content/12/6/161.full.pdf}, journal = {BMJ Evidence-Based Medicine} }