| survey of intestinal parasites on palawan, philippines. | a biomedical survey for intestinal parasites was conducted in napsan on the island of palawan, philippines in september 1986. a total of 353 stool specimens were obtained from 155 males and 198 females ranging in age from 1 1/2 months to 70 years. ascaris lumbricoides, 34.8%, hookworm 34.8% and trichuris trichiura 25.2% were the most common helminths encountered, while entamoeba coli 27.7% and endolinax nana 22.2% were the common protozoans. this study demonstrated a 7-13% higher overall prevale ... | 1987 | 3672181 |