搜索结果: 1-1 共查到“哲学 Recruitment”相关记录1条 . 查询时间(0.062 秒)
Variation in recruitment across sites in a consent-based clinical data registry: lessons from the Canadian Stroke Network
registry Variation
2008/11/12
Background
In earlier work, we found important selection biases when we tried to obtain consent for participation in a national stroke registry. Recognizing that not all registries will be exempt fro...