| [studies on the strain differences of schistosoma japonicum in the mainland of china. i. compatibility between schistosomes and their snail hosts]. | oncomelania hupensis hupensis from six localities were used in this study, i.e. guichi of anhui in the east, jianli of hubei in the middle, guiping of guangxi in the south, tianquan of sichuan and eryuan of yunnan in the southwest and fuqing of fujian in the southeast. snails from each locality were individually cross-exposed to 20 miracidia of the different isolates of s. japonicum from the above-named places, with the exception of fujian province where no snail could be found naturally infecte ... | 1990 | 2208632 |