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Considering the extensive presence of asexually reproducing diploid and triploid<jats:italic>Fasciola<\/jats:italic>in Asia it is suggested that facultative gynogenesis is widespread in this parasite. This has important implications for the population genetics and evolution of<jats:italic>Fasciola<\/jats:italic>, especially in relation to the development and spread of drug resistance, and must be considered in the mathematical modelling of this process.<\/jats:p>","DOI":"10.1017\/s003118200300427x","type":"journal-article","created":{"date-parts":[[2004,1,20]],"date-time":"2004-01-20T13:38:17Z","timestamp":1074605897000},"page":"69-72","source":"Crossref","is-referenced-by-count":53,"title":["The occurrence and significance of triploidy in the liver fluke,<i>Fasciola hepatica<\/i>"],"prefix":"10.1017","volume":"128","author":[{"given":"H. L.","family":"FLETCHER","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"E. 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