| intestinal parasites in chinese immigrants in a canadian city. | | 1973 | 4586094 |
| survey of intestinal pathogens from immigrant children. | four thousand immigrant schoolchildren were screened by using a concentration method on a single faecal specimen for intestinal helminths; 1,468 (37%) were positive. carriage rates were highest (51%) in children from the west indies, in whom trichuris (75% of carriers) and ascaris (40% of carriers) predominated; carriage of two or more species was common (36% of carriers). carriage of worms was low in children from kenya (16%) and uganda (7%). children from south-east asia, predominantly from in ... | 1972 | 5013832 |
| intestinal parasites in hong kong. | a retrospective survey of laboratory records of 8590 stool samples examined for intestinal parasites from local hong kong residents during the first 6 months of 1992 showed changes in the pattern of such infestations, particularly in the age of first acquiring infection and the peak age of occurrence for the different intestinal parasites, in comparison with data obtained 12 years ago. the largest percentage decline was seen for ascaris, reflecting the rapid urbanization of the territory, while ... | 1994 | 8170002 |