%0 Journal Article %T Rapid measurement of organophophorous level in serum %A Wiwanitkit Viroj %J Indian Journal of Occupational and Environmental Medicine %D 2009 %I Medknow Publications %U http://www.ijoem.com/article.asp?issn=0019-5278;year=2009;volume=13;issue=3;spage=155;epage=155;aulast=Wiwanitkit