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Human Invasion by Lesser Known Medically Important Trematodes in the Proximity of Tshwane,Gauteng Province,South Africa 被引量:1
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作者 E.B.E.Moema P.H.King c.baker 《地学前缘》 EI CAS CSCD 北大核心 2009年第S1期78-79,共2页
It is well-documented that digenetic trematodes exhibit complex life cycles where the definitive hosts are vertebrates—mostly birds,other mammals and reptiles.It is also known that digenetic trematodes are host speci... It is well-documented that digenetic trematodes exhibit complex life cycles where the definitive hosts are vertebrates—mostly birds,other mammals and reptiles.It is also known that digenetic trematodes are host specific,but changes in our feeding habits, agricultural and social practices,have led to human beings infected with parasites that were previously regarded to be of no or insignificant medical importance. The objective of this study was to identify the less known digenetic parasites in the water bodies around Tshwane that may result in possible 展开更多
关键词 digenetic TREMATODES life cycles medical IMPORTANCE control measures
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未来美中会开展空间合作吗?
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作者 田戈 John +2 位作者 c.baker Kevin Pollpeter 《社会观察》 2005年第3期54-54,共1页
关键词 中国 空间合作 竞争者 风险 机遇 成本 世界 竞赛 合作者 能力
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