ARIF, T.; ADIL, M.; SODHI, J. S. Upper gastrointestinal endoscopy in systemic sclerosis: A cross sectional study. Journal of Pakistan Association of Dermatologists, [S. l.], v. 29, n. 4, p. 374–383, 2019. DOI: 10.66344/jpad.29.4.2019.1358. Disponível em: https://www.jpad.com.pk/index.php/jpad/article/view/1358. Acesso em: 11 apr. 2026.