de Silva, N.Hall, A.2014-10-292014-10-292010PLoS Neglected Tropical Diseases. 2010; 4(4): pp.e6551935-2735 (Electronic)1935-2727 (Print)http://repository.kln.ac.lk/handle/123456789/2011Indexed in MEDLINEUsing the prevalence of individual species of intestinal nematode worms to estimate the combined prevalence of any speciesArticleParasitology