PT - JOURNAL ARTICLE ED - , TI - Dr Harry James Shields DP - 1974 Mar 16 TA - Canadian Medical Association Journal PG - 688--688 VI - 110 IP - 6 4099 - http://www.cmaj.ca/content/110/6/688.short 4100 - http://www.cmaj.ca/content/110/6/688.full SO - CMAJ1974 Mar 16; 110