VV Agrawal, SCB Reddy, SK Choudhari, P Goel, AV Sharma, A Bhan, S Narang
Rajesh Sharma, HS Wasir and P Venugopal
Department of Cardiology, anaesthesiology, cardiothoracic and vascular surgery
All India Institute of Medical Sciences, NEW DELHI – 110 029, INDIA
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