Pemphigus vulgaris developing after 6‐month treatment with a dipeptidyl peptidase‐4 inhibitor: A case report. Issue 2 (3rd October 2017) - Okauchi, Yukiyoshi; Tomoda, Yuki; Takata, Mayumi; Deguchi, Arichika; Takata, Mami; Takenoshita, Yu; Yokomi, Akinori; Mineo, Ikuo