Accuracy of Mobile 12 Lead ECG Device for Assessment of Qtc Interval in Arrhythmia Patients: A Prospective and Retrospective Validation Study. - Mahajan, Sahil; Garg, Salil; Sharma, Richa; Singh, Yogendra; Chandola, Nitin; Bhatia, Tanuj; Bansal, Basundhara (European Journal of Cardiovascular Medicine, 2023)