TY - JOUR T1 - THIRD INTERNATIONAL CONGRESS ON GROUP MEDICINE JF - The Journal of the Royal College of General Practitioners JO - J R Coll Gen Pract SP - 839 LP - 840 VL - 25 IS - 160 AU - John Marks Y1 - 1975/11/01 UR - http://bjgp.org/content/25/160/839.3.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -