Recommendations for the use of ultrasound in rheumatoid arthritis: literature review and SONAR score experience. Swiss Medical Weekly, [S. l.], v. 143, n. 5152, p. w13861, 2013. DOI: 10.4414/smw.2013.13861. Disponível em: https://www.smw.ch/index.php/smw/article/view/1793. Acesso em: 8 jan. 2026.