%0 Journal Article %T Positioning pressure transducers: upright or upside down? %A Sokhal Navdeep %A Dube Surya %A Rath Girija %A Marda Manish %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=1;spage=66;epage=66;aulast=Sokhal