%0 Journal Article %T Dengue haemorrhagic fever: A global challenge %A Chaturvedi U %A Shrivastava R %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=1;spage=5;epage=6;aulast=Chaturvedi