Anti-TNF-α-induced psoriasiform lesions in IBD: an abnormal immune activation or a 'patchy cutaneous' immune suppression?. Issue 4 (19th November 2013) - Scaldaferri, Franco; Petito, Valentina; Papa, Alfredo; Cesarini, Monica; Arena, Vincenzo; Lopetuso, Loris Riccardo; Corbi, Maddalena; Perino, Francesca; Caldarola, Giacomo; Carbone, Angelo; Corazziari, Enrico; Sgambato, Alessandro; et al.