PT - JOURNAL ARTICLE AU - LaCroix, Carol A. TI - A Practical Guide to ECG Interpretation AID - 10.3122/jabfm.5.2.237a DP - 1992 Mar 01 TA - The Journal of the American Board of Family Practice PG - 237--238 VI - 5 IP - 2 4099 - http://www.jabfm.org/content/5/2/237.2.short 4100 - http://www.jabfm.org/content/5/2/237.2.full SO - J Am Board Fam Med1992 Mar 01; 5