| epidemiological studies on cystic echinococcosis in china--a review. | in the four decades from 1951 to 1990, the six provinces or autonomous regions (xinjiang, gansu, qinghai, ningxia, xizang and nei monggol) reported a total of 26,065 surgical cases of hydatid disease, most of which were reported in the recent decade. about one third of the patients was children and adolescents under 15 years old. so far, cystic hydatid infections of local origin have been confirmed in 22 provinces, autonomous regions and municipalities in the whole nation. findings of x-ray exam ... | 1995 | 7546341 |
| frequency distribution of echinococcus granulosus hydatid cysts in sheep populations in the xinjiang uygur autonomous region, china. | age-prevalence and age-intensity data of echinococcus granulosus hydatid cysts in sheep populations were collected in an abattoir in the xinjiang uygur autonomous region, people's republic of china. the frequency distribution of the larval cysts per sheep was empirically described by the negative binomial model, with parameter k being 0.5273. a mathematical model for the life cycle of e. granulosus was applied to the collected data and the results show that the infection pressure on sheep was 0. ... | 1992 | 1441193 |