| 单词 | Closed Cohort Study |
| 释义 | Closed Cohort Study《英文msh词典》Closed Cohort Study [入口词] Closed Cohort Study [主题词] Cohort Studies [英文释义] Studies in which subsets of a defined population are identified. These groups may or may not be exposed to factors hypothesized to influence the probability of the occurrence of a particular disease or other outcome. Cohorts are defined populations which,as a whole,are followed in an attempt to determine distinguishing subgroup characteristics. |
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