| intestinal parasitic infections in the residents of an emigration camp in tijuana, mexico. | we examined stool specimens of the residents in the emigration camp in tijuana, mexico for helminth eggs or protozoan cysts with formalin-ethyl acetate concentration method in february and july 1992. out of 92 examined samples, number of positive was 49 (53.3%). while number of cumulative positive was 66 (71.7%). cysts of entamoeba coli (29.3%) giardia lamblia (9.8%), entamoeba histolytica (7.6%), and eggs of taenia spp. (6.5) were most frequently observed. filtered water supply and chemotherapy ... | 1995 | 7735788 |