TY - JOUR T1 - I. The Problem and Some Results JF - The Journal of the College of General Practitioners JO - J Coll Gen Pract SP - 2 LP - 9 VL - 8 IS - Suppl 2 AU - B. C. S. Slater Y1 - 1964/11/01 UR - http://bjgp.org/content/8/Suppl_2/2.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -