TY - JOUR T1 - The Principles and Practice of Medicine JF - The Journal of the College of General Practitioners JO - J Coll Gen Pract SP - 460 LP - 460 VL - 5 IS - 3 A2 - , Y1 - 1962/08/01 UR - http://bjgp.org/content/5/3/460.1.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -