TY - JOUR T1 - INVESTIGATION IN GENERAL PRACTICE JF - The Journal of the Royal College of General Practitioners JO - J R Coll Gen Pract SP - 928 LP - 928 VL - 26 IS - 173 AU - John W. Evans Y1 - 1976/12/01 UR - http://bjgp.org/content/26/173/928.2.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -