TY - JOUR T1 - DISCUSSION JF - The Journal of the Royal College of General Practitioners JO - J R Coll Gen Pract SP - 7 LP - 7 VL - 20 IS - Suppl 2 A2 - , Y1 - 1970/12/01 UR - http://bjgp.org/content/20/Suppl_2/7.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -