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Ji LL, Fretwell VS, Escamilla A, Yao W, Zhang T, He M, Zhang JQ.Ji LL, et al.J Exerc Sci Fit. 2024 Jan;22(1):14-22. doi: 10.1016/j.jesf.2023.10.006. Epub 2023 Oct 31.J Exerc Sci Fit. 2024.PMID: 38021207Free PMC article.
Wan W, Powers AS, Li J, Ji L, Erikson JM, Zhang JQ.Wan W, et al.Am J Med Sci. 2007 Oct;334(4):265-73. doi: 10.1097/MAJ.0b013e318068b5ed.Am J Med Sci. 2007.PMID: 18030183