PT - JOURNAL ARTICLE AU - R. I. MacDonald AU - J. Hamilton AU - D. Porter AU - A. D. Kelly TI - Joseph Arthur MacFarlane DP - 1966 May 14 TA - Canadian Medical Association Journal PG - 1067--1070 VI - 94 IP - 20 4099 - http://www.cmaj.ca/content/94/20/1067.short 4100 - http://www.cmaj.ca/content/94/20/1067.full SO - CMAJ1966 May 14; 94