PT - JOURNAL ARTICLE AU - Williams, W. L. TI - Cardiology -- The heart of the matter DP - 1997 Dec 15 TA - Canadian Medical Association Journal PG - 1673--1674 VI - 157 IP - 12 4099 - http://www.cmaj.ca/content/157/12/1673.short 4100 - http://www.cmaj.ca/content/157/12/1673.full SO - CMAJ1997 Dec 15; 157