@article {640, editor = {,}, title = {Erratum}, volume = {7}, number = {6}, pages = {640--640}, year = {2007}, doi = {10.7861/clinmedicine.7-6-640}, publisher = {Royal College of Physicians}, issn = {1470-2118}, URL = {https://www.rcpjournals.org/content/7/6/640}, eprint = {https://www.rcpjournals.org/content/7/6/640.full.pdf}, journal = {Clinical Medicine} }