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Ewald, Hannah ORCID logoORCID: https://orcid.org/0000-0002-5081-1093; Klerings, Irma; Wagner, Gernot; Heise, Thomas L. ORCID logoORCID: https://orcid.org/0000-0003-0482-7657; Stratil, Jan M. ORCID logoORCID: https://orcid.org/0000-0002-7905-0558; Lhachimi, Stefan K. ORCID logoORCID: https://orcid.org/0000-0001-8597-0935; Hemkens, Lars G. ORCID logoORCID: https://orcid.org/0000-0002-3444-1432; Gartlehner, Gerald; Armijo-Olivo, Susan and Nussbaumer-Streit, Barbara (2022): Searching two or more databases decreased the risk of missing relevant studies: a metaresearch study. In: Journal of Clinical Epidemiology, Vol. 149: pp. 154-164 [PDF, 249kB]

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