不开心
发表于 2025-3-23 11:04:31
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中世纪
发表于 2025-3-23 16:35:56
Epidemiological considerations in the design of controlled clinical trials. Part I: IntroductionThere is no agreed definition of ‘analytical epidemiology’ so I will suggest my own . one, borrowing from the traditional definition of epidemiology:
哭得清醒了
发表于 2025-3-23 19:15:43
Methodology of clinical trials in migraineMigraine is a condition characterised by recurrent attacks lasting from a few hours to a few days. If attacks are comparatively rare, patients are advised to take symptomatic medication such as ergotamine, aspirin and antinauseants at each attack. If patients suffer two or more severe attacks a month, prophylactic therapy may be indicated.
不整齐
发表于 2025-3-24 01:38:50
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罐里有戒指
发表于 2025-3-24 04:27:16
Methodology of clinical trials in stroke. Part II: Future trials — RecommendationsChapter 9 has shown the methodological shortcomings encountered in most of the published trials on drug therapy following acute stroke. Clearly, better designed trials are necessary, but are they possible?
TRAWL
发表于 2025-3-24 08:37:49
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boisterous
发表于 2025-3-24 14:01:30
https://doi.org/10.1007/978-1-349-08943-7brain; clinical trial; neurology; research
奇思怪想
发表于 2025-3-24 16:50:15
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能量守恒
发表于 2025-3-24 21:26:08
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转折点
发表于 2025-3-25 02:42:55
and congestion phenomena. This means that any policy aimed at influencing transportation conditions may have a non-negligible economy-wide effect, in terms of impacts on national income, prices, sectoral distribution of factors and production as well as on spatial commodity and passenger flows. The