Study,Cross-Sectional
《英文msh詞典》Study,Cross-Sectional
[入口詞] Study,Cross-Sectional
[主題詞] Cross-Sectional Studies
[英文釋義] Studies in which the presence or absence of disease or other health-related variables are determined in each member of the study population or in a representative sample at one particular time. This contrasts with LONGITUDINAL STUDIES which are followed over a period of time.