@article {1461, editor = {,}, title = {Research papers this month}, volume = {48}, number = {433}, pages = {1461--1462}, year = {1998}, publisher = {Royal College of General Practitioners}, issn = {0960-1643}, URL = {https://bjgp.org/content/48/433/1461}, eprint = {https://bjgp.org/content/48/433/1461.full.pdf}, journal = {British Journal of General Practice} }