Varma Praveen K, Latha Madhavi, Purushotham Sathyaki Nambala, Neelakandhan Kurur Sankaran
Sree Chitra Tirunal Institute For Medical Sciences and Technology, Trivandrum, Kerala 695011, India.
Eur J Cardiothorac Surg. 2003 Sep;24(3):451. doi: 10.1016/s1010-7940(03)00336-1.