Moreno, M. et al. 2018. Ultrasound Assessment of Psoriatic Onychopathy: A Cross-sectional Study Comparing Psoriatic Onychopathy with Onychomycosis. Acta Dermato-Venereologica. 99, 2 (Oct. 2018), 164–169. DOI:https://doi.org/10.2340/00015555-3060.