| prevalence of intestinal parasites among primary schoolchildren in derna district, libya. | the prevalence of intestinal parasites and some hygienic factors was evaluated in primary schoolchildren in derna district. a total of 1039 stool specimens were examined by direct smear and formaline-ether concentration methods. the results showed that 31% of the children were infected with at least one or two parasites. these parasites were giardia lamblia (12.7%), blastocystis hominis (6.7%), entamoeba histolytica/ entamoeba dispar (6.6%), entamoeba coli (3.2%), e. hartmanni (1.0%), enterobius ... | 2007 | 17580578 |