M P Girish Mohit Dayal Gupta Saibal Mukhopadhyay Jamal Yusuf T N Sunil Roy Vijay Trehan
Indian Pacing Electrophysiol J
2005 Jan 1;5(1):63-5.
CC BY
https://pubmed.ncbi.nlm.nih.gov/16943944/
PMC1502069
16943944
U wave: an important noninvasive electrocardiographic diagnostic marker
2005