PT - JOURNAL ARTICLE AU - D. L. Crombie TI - THE DENOMINATOR PROBLEM DP - 1980 Feb 01 TA - The Journal of the Royal College of General Practitioners PG - 116--116 VI - 30 IP - 211 4099 - http://bjgp.org/content/30/211/116.1.short 4100 - http://bjgp.org/content/30/211/116.1.full SO - J R Coll Gen Pract1980 Feb 01; 30