TY - JOUR T1 - Medical news JF - The Journal of the Royal College of General Practitioners JO - J R Coll Gen Pract SP - 676 LP - 678 VL - 25 IS - 158 A2 - , Y1 - 1975/09/01 UR - http://bjgp.org/content/25/158/676.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -