@article {85, editor = {,}, title = {Digest}, volume = {40}, number = {331}, pages = {85--86}, year = {1990}, publisher = {Royal College of General Practitioners}, issn = {0960-1643}, URL = {https://bjgp.org/content/40/331/85}, eprint = {https://bjgp.org/content/40/331/85.full.pdf}, journal = {British Journal of General Practice} }