%0 Journal Article %T Neurosurgery and nitrous oxide: Not time yet for the last laugh? %A Umamaheswara Rao G %J Neurology India %D 2011 %I Medknow Publications %U http://www.neurologyindia.com/article.asp?issn=0028-3886;year=2011;volume=59;issue=1;spage=1;epage=3;aulast=Umamaheswara