PLAIN RADIOGRAPHIC GRADING OF PRIMARY KNEE OSTEOARTHRITIS USING THE KELLGREN–LAWRENCE SYSTEM AND ITS CORRELATION WITH CLINICAL SEVERITY: A CROSS-SECTIONAL STUDY. Cuestiones de Fisioterapia, [S. l.], v. 51, n. 3, p. 476–483, 2022. DOI: 10.48047/wynvn484. Disponível em: https://cuestionesdefisioterapia.com/index.php/es/article/view/4266.. Acesso em: 27 aug. 2026.