@article {590, editor = {,}, title = {The Principles and Practice of Medicine}, volume = {23}, number = {133}, pages = {590--590}, year = {1973}, publisher = {Royal College of General Practitioners}, issn = {0035-8797}, URL = {https://bjgp.org/content/23/133/590.2}, eprint = {https://bjgp.org/content/23/133/590.2.full.pdf}, journal = {British Journal of General Practice} }