The proportion of IgM + results varied with clinical presentation, the timing of specimen collection and vaccination status.
IgM +结果的比例随临床表现、样本采集时间和接种情况的不同而变化。
Objective To investigate the best means of blood specimen collection from neonatal heel.
目的探讨临床采集足跟血液的最佳方法。
The paper introduces the purpose and action of zoological and botanical specimen collection.
本文介绍了动植物标本收藏的目的和作用。
To study and exploit Wuliangshan medicinal fungi resources, specimen collection, classification, and domestication were done to them.
调查和开发屋梁山自然保护区药用真菌资源，对其进行标本采集、整理分类和驯化培育。
To study and exploit Wuliangshan medicinal fungi resources, specimen collection, classification, and domestication were done to them.
调查和开发屋梁山自然保护区药用真菌资源，对其进行标本采集、整理分类和驯化培育。
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