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Retrospective study

药店 Estudio retrospectivo
retrospective study
数学 estudio retrospectivo
 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.