Gopalakrishnan Arun, Mohanan Nair Krishna Kumar, Namboodiri Narayanan, Valaparambil Ajitkumar
Department of Cardiology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram, Kerala, India.
Natl Med J India. 2018 Mar-Apr;31(2):123. doi: 10.4103/0970-258X.253170.