@article {133, editor = {,}, title = {Digest}, volume = {43}, number = {368}, pages = {133--134}, year = {1993}, publisher = {Royal College of General Practitioners}, issn = {0960-1643}, URL = {https://bjgp.org/content/43/368/133}, eprint = {https://bjgp.org/content/43/368/133.full.pdf}, journal = {British Journal of General Practice} }