TY  - RPRT
TI  - General practitioners' performance.
AU  - L M Campbell
AU  - T S Murray
PY  - 1993
DO  - 10.1136/bmj.306.6889.1417-a
UR  - https://pubmed.ncbi.nlm.nih.gov/8518634/
ID  - 8518634
ER  -