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Yilma JM, Malone JB. A geographic information system forecast mode for strategic control of fasciolosis in Ethiopia[J]. Vet Parasitol, 1998, 1421:1. 徐業(yè)昌俞守義.;地理信息系統(tǒng)及其在毉學(xué)領(lǐng)域的應(yīng)用[J]