El Aoud, S., F. Frikha, M. Snoussi, R. Ben Salah, and Z. Bahloul. “Bilateral Ptosis As a Presenting Feature of Primary Hypertrophic Osteoarthropathy (pachydermoperiostosis): A Case Report”. Reumatismo 66, no. 3 (November 6, 2014): 249–253. Accessed March 29, 2024. https://www.reumatismo.org/reuma/article/view/reumatismo.2014.726.