Diagnostic Criteria of Ulcerative Pyoderma Gangrenosum: A Delphi Consensus of International Experts.
Maverakis E, Ma C, Shinkai K, Fiorentino D, Callen JP, Wollina U, Marzano AV, Wallach D, Kim K, Schadt C, Ormerod A, Fung MA, Steel A, Patel F, Qin R, Craig F, Williams HC, Powell F, Merleev A, Cheng MY.