Chakravarty, MuraliJawali, VivekPatil, T A2003-07-112009-05-272003-07-112009-05-272003-07-11Chakravarty M, Jawali V, Patil TA. In response. Annals of Cardiac Anaesthesia. 2003 Jul; 6(2): 173-4http://imsear.searo.who.int/handle/123456789/1422engJournal Article