TY - JOUR T1 - MEDICAL LIBRARY OF THE UNIVERSITY OF PAPUA NEW GUINEA JF - The Journal of the Royal College of General Practitioners JO - J R Coll Gen Pract SP - 60 LP - 60 VL - 29 IS - 198 AU - A. C. Butler Y1 - 1979/01/01 UR - http://bjgp.org/content/29/198/60.2.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -