%0 Journal Article %T A simple method of electrocardiogram: Controlled central venous catheterization %A Raviraj R %A Korula Grace %A Subramani Kandasamy %A Shalinicynthia S %J Annals of Cardiac Anaesthesia %D 2011 %I Medknow Publications %U http://www.annals.in/article.asp?issn=0971-9784;year=2011;volume=14;issue=2;spage=154;epage=155;aulast=Raviraj