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. 2021 Apr 12;3:619573. doi: 10.3389/fspor.2021.619573

Figure 4.

Figure 4

Principal component analysis (PCA) considering the neurotrophins BDNF, proBDNF, beta NGF and other growth factors, and human inflammation markers. BDNF, brain derived neurotrophic factor; proBDNF, pro-brain derived neurotrophic factor; beta-NGF, beta-nerve growth factor.