1. Marriott's practical electrocardiography;Wagner,2008
2. To err is human: building a safer health system;Kohn,2000
3. Placement of cardiac electrodes: written, simulated, and actual accuracy;Bupp;Am J Crit Care,1997
4. Variability of precordial electrode placement during routine electrocardiography;Wenger;J Electrocardiol,1996
5. Accurate interpretation of the 12-lead ECG electrode placement: a systematic review;Khunti;Health Educ J,2013