@article {305, editor = {,}, title = {CORRECTION}, volume = {27}, number = {178}, pages = {305--305}, year = {1977}, publisher = {Royal College of General Practitioners}, issn = {0035-8797}, URL = {https://bjgp.org/content/27/178/305.2}, eprint = {https://bjgp.org/content/27/178/305.2.full.pdf}, journal = {British Journal of General Practice} }