共查询到20条相似文献，搜索用时 0 毫秒
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Roger Dyson 《BMJ (Clinical research ed.)》1984,288(6412):255-257
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T Whitehead 《BMJ (Clinical research ed.)》1985,290(6476):1227
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N Ellis 《BMJ (Clinical research ed.)》1985,290(6466):483-485
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William Russell 《BMJ (Clinical research ed.)》1984,288(6429):1546
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《BMJ (Clinical research ed.)》1984,288(6413):341-342
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Alexis Brook 《BMJ (Clinical research ed.)》1988,297(6646):487-488
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《BMJ (Clinical research ed.)》1983,287(6405):1642-1643
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《BMJ (Clinical research ed.)》1985,291(6501):1065-1066