Bronckers, Inge M.G.J., et al. “Nail Involvement As a Predictor of Disease Severity in Paediatric Psoriasis: Follow-up Data from the Dutch ChildCAPTURE Registry”. Acta Dermato-Venereologica, vol. 99, no. 2, Oct. 2018, pp. 152-7, doi:10.2340/00015555-3036.