Fortuna, R., A. Sawatsky, J. C. Fuller, Jr, and W. Herzog. “Effects of β-Hydroxy-β-Methylbutyrate Supplementation on Muscle Mass and Strength in Onabotulinumtoxin Type-A-Injected and Contralateral Quadriceps Femoris in Rabbits”. Journal of Rehabilitation Medicine, vol. 53, no. 9, Sept. 2021, p. jrm00229, doi:10.2340/16501977-2866.