Machado, Natalia P., et al. “The Skin Tissue Is Adversely Affected by TNF-Alpha Blockers in Patients With Chronic Inflammatory Arthritis: A 5-Year Prospective Analysis”. Clinics, vol. 68, no. 9, Sept. 2013, pp. 1189-96, https://doi.org/10.1590/clin.v68i9.76987.