| [clonorchiasis in the people's republic of vietnam. 2. the clinico-parasitological examination of a focus and a trial of prazinquantel treatment]. | examinations of 1599 residents of a polyinvasion focus at a seaside province ha nam nin, vietnam, have revealed clonorchiasis in approximately 13.9% of the examinees; in subjects aged over 30 this value was 29.3%. factors conducive to a lower incidence of clonorchiasis were detected, among them a moderate intensity of the invasion: the mean arithmetic was 1419 +/- 306 eggs/g, the mean geometric 673 egg/g, as shown by the kato-kats' technique. analysis of five therapeutic schemes used in clonorch ... | 1992 | 1435590 |