%0 Journal Article %T Seroprevalence of leptospirosis in Delhi using indirect haemagglutination assay %A Gupta N %A Rao R %A Bhalla P %A Agarwal S %J Indian Journal of Medical Microbiology %D 2004 %I Medknow Publications %U http://www.ijmm.org/article.asp?issn=0255-0857;year=2004;volume=22;issue=2;spage=134;epage=135;aulast=Gupta