Studies,Closed Cohort

《英文msh词典》Studies,Closed Cohort
[入口词] Studies,Closed Cohort
[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.