RT Journal Article SR Electronic T1 12-Lead ECG's - A Pocket Brain for Easy Interpretation JF The Journal of the American Board of Family Practice JO J Am Board Fam Med FD American Board of Family Medicine SP 500 OP 500 DO 10.3122/jabfm.11.6.500b VO 11 IS 6 A1 Sam C. Eggertsen YR 1998 UL http://www.jabfm.org/content/11/6/500.2.abstract AB