Duarte, B., Rocha Páris, F. and Cabete, J. (2018) “Photochemotherapy for Recalcitrant Erythema Annulare Centrifugum: A Promising Treatment Option?”, Journal of the Portuguese Society of Dermatology and Venereology, 76(3), pp. 313-316. doi: 10.29021/spdv.76.3.895.