@article{EwaldKleringsWagneretal.2022, author = {Ewald, Hannah and Klerings, Irma and Wagner, Gernot and Heise, Thomas L. and Stratil, Jan M. and Lhachimi, Stefan K. and Hemkens, Lars G. and Gartlehner, Gerald and Armijo-Olivo, Susan and Nussbaumer-Streit, Barbara}, title = {Searching two or more databases decreased the risk of missing relevant studies: a metaresearch study}, journal = {Journal of Clinical Epidemiology}, number = {149}, issn = {0895-4356}, doi = {10.1016/j.jclinepi.2022.05.022}, institution = {Fakult{\"a}t WiSo}, pages = {154 -- 164}, year = {2022}, abstract = {Background and Objectives: Assessing changes in coverage, recall, review, conclusions and references not found when searching fewer databases.}, language = {en} }