Dipeptidyl Peptidase-4 Inhibitor-associated Bullous Pemphigoid: Recurrence with Epitope Spreading - Hiroyuki Takama; Makiko Yoshida; Kentaro Izumi; Takeshi Yanagishita; Jun Muto; Yuichiro Ohshima; Wataru Nishie; Hiroshi Shimizu; Masashi Akiyama; Daisuke Watanabe (Medical Journals Sweden, 2018)