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retrospective study

一般 examen rétrospectif
数学 étude rétrospective
Retrospective study
药店 Etude rétrospective
 英语 词库
retrospective study
医疗的 A type of medical research study. Retrospective studies look back in time to compare a group of people with a particular disease or condition to a group of people who do not have the disease or condition. Researchers study the medical and lifestyle histories of the people in each group to learn what factors may be associated with the disease or condition.