Primary and secondary non-response: in need of operational definitions in observational studies.
作者信息
Vallejo-Yagüe Enriqueta, Keystone Edward C, Kandhasamy Sreemanjari, Micheroli Raphael, Finckh Axel, Burden Andrea Michelle
机构信息
Department of Chemistry and Applied Biosciences, Institute of Pharmaceutical Sciences, ETH Zürich, Zurich, Switzerland.
Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada.
出版信息
Ann Rheum Dis. 2021 Aug;80(8):961-964. doi: 10.1136/annrheumdis-2021-220202. Epub 2021 Apr 21.
Abstract
摘要
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