TY - JOUR T1 - Medical news JF - The Journal of the Royal College of General Practitioners JO - J R Coll Gen Pract SP - 181 LP - 182 VL - 31 IS - 224 A2 - , Y1 - 1981/03/01 UR - http://bjgp.org/content/31/224/181.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -