. 2019 Aug 13;10:1028. doi: 10.3389/fphys.2019.01028
Copyright © 2019 Szakács, Erőss, Soós, Mátrai, Szabó, Pétervári, Bajor, Farkas, Hegyi, Illés, Solymár, Balaskó, Sarlós, Szűcs, Czimmer, Vincze and Pár.
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Figure 1.
Flowchart of the meta-analysis.