The impact of a commercial lower extremity exoskeleton on metabolic load, perceived exertion, and physiological response to a challenging military relevant task: A randomized cross-over design pilot study - JoEllen M. Sefton; Frances K. Neal; Philip J. Agostinelli; Nicholas C. Bordonie; Phillip E. Whitley; Nathan T. Pickle; Paulien E. Roos (PLoS ONE, 2025)