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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Evolution of VI (normalized to body weight) in both groups during the 180 days of the study. PRGF: Plasma rich in growth factors; PT: Physical therapy; VI: Vertical impulse.