PT - JOURNAL ARTICLE AU - Goldman, B. S. AU - Noble, E. J. AU - Heller, J. G. AU - Covvey, D. TI - The pacemaker challenge DP - 1974 Jan 05 TA - Canadian Medical Association Journal PG - 28--31 VI - 110 IP - 1 4099 - http://www.cmaj.ca/content/110/1/28.short 4100 - http://www.cmaj.ca/content/110/1/28.full SO - CMAJ1974 Jan 05; 110