TY - JOUR T1 - THE DENOMINATOR PROBLEM JF - The Journal of the Royal College of General Practitioners JO - J R Coll Gen Pract SP - 116 LP - 116 VL - 30 IS - 211 AU - D. L. Crombie Y1 - 1980/02/01 UR - http://bjgp.org/content/30/211/116.1.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -