Koshy, ThomasSinha, Prabhat KumarSubramanian, C.Kapilamoorthy, T. R.2012-12-042012-12-042007JOURNAL OF CARDIOTHORACIC AND VASCULAR ANESTHESIA. 21; 5; 758-760http://dx.doi.org/10.1053/j.jvca.2007.04.011http://www.ncbi.nlm.nih.gov/pubmed/17905291https://dspace.sctimst.ac.in/handle/123456789/111Radiology