Higuchi T, Nakaya Y (August 1984). "T wave polarity related to the repolarization process of epicardial and endocardial ventricular surfaces". American Heart Journal. 108 (2): 290–5. doi:10.1016/0002-8703(84)90614-8. PMID6464965.
Higuchi T, Nakaya Y (August 1984). "T wave polarity related to the repolarization process of epicardial and endocardial ventricular surfaces". American Heart Journal. 108 (2): 290–5. doi:10.1016/0002-8703(84)90614-8. PMID6464965.