Sugiyama, S., R. Tanaka, H. Hayashi, K. Izumi, W. Nishie, and Y. Aoyama. “Acquired Haemophilia A in DPP4 Inhibitor-Induced Bullous Pemphigoid As Immune Reconstitution Syndrome”. Acta Dermato-Venereologica, vol. 100, no. 13, June 2020, pp. 1-2, doi:10.2340/00015555-3539.