TY - JOUR T1 - JOURNAL STYLE JF - The Journal of the Royal College of General Practitioners JO - J R Coll Gen Pract SP - 506 LP - 506 VL - 27 IS - 181 AU - M. J. Aylett Y1 - 1977/08/01 UR - http://bjgp.org/content/27/181/506.1.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -