Ralston, Grant W Re-examination of 1- vs. 3-Sets of Resistance Exercise for Pre-spaceflight Muscle Conditioning: A Systematic Review and Meta-Analysis. [electronic resource] - Frontiers in physiology 2019 - 864 p. digital Publication Type: Systematic Review; Journal Article ISSN: 1664-042X Standard No.: 10.3389/fphys.2019.00864 doi