Searching two or more databases decreased the risk of missing relevant studies: a metaresearch study
Title:
Searching two or more databases decreased the risk of missing relevant studies: a metaresearch study
Author:
Ewald, Hannah Klerings, Irma Wagner, Gernot Heise, Thomas L. Stratil, Jan M. Lhachimi, Stefan K. Hemkens, Lars G. Gartlehner, Gerald Armijo-Olivo, Susan Nussbaumer-Streit, Barbara