| overdiagnosis of entamoeba histolytica and entamoeba dispar in nicaragua: a microscopic, triage parasite panel and pcr study. | based on stool microscopy, an e. histolytica/e. dispar prevalence of 18.6% was found in león, nicaragua about 10 years ago. since then, new non-microscopic methods have been developed to discriminate between pathogenic e. histolytica and nonpathogenic e. dispar. the main objectives of the present study were to evaluate the true prevalence of e. histolytica among individuals with diarrhea and to assess the diagnostic procedures carried out at the health center level. | 2006 | 16624654 |