| a survey of intestinal protozoan infections among gastroenteritis patients during a 3-year period (2004-2006) in gyeonggi-do (province), south korea. | the incidence and etiology of parasite-associated gastroenteritis during 2004-2006 in gyeonggi-do (province), south korea was determined by means of antigen detection elisa on 6,071 stool specimens collected from 6 general hospitals. at least 1 parasitic agent was detected in 3.4% (208/6,071) of the stool samples. among these, giardia lamblia was the most numerous (152 cases; 2.5%), followed by entamoeba histolytica (25 cases; 0.4%), cryptosporidium parvum (23 cases; 0.4%), and mixed infections ... | 2009 | 19724707 |