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  • 颁布单位:[University of the Free State] |  颁布时间:1999 |  实施时间:1999 |  学科分类:[["Xenopus, laevis","Utilisation","Tadpole, development","Population, dynamics","Collecting, method","Captive, breeding","Parasite, infection","Parasite, survival","Parasite, elimination","Xenopus, laevis, --, South, Africa, --, Free, State","Frogs, --, Economic, aspects, --, South, Africa, --, Free, State","Xenopus, Laevis, --, Parasites","Dissertation, (M.Sc., (Zoology, and, Entomology))--University, of, the, Free, State,, 1999"]]
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  • 颁布单位:[University of the Free State] |  颁布时间:1987 |  实施时间:1987 |  学科分类:[["Jacobsdal, (South, Africa), --, Economic, conditions","Jacobsdal, (South, Africa), --, History","Jacobsdal, (South, Africa), --, Social, conditions","Irrigation, --, South, Africa, --, Jacobsdal","Rural, development, --, South, Africa, --, Jacobsdal","Dissertation, (M.U.R.P., (Urban, and, Regional, Planning))--University, of, the, Free, State,, 1987"]]
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