Horváth, O. N.; Borovaya, A.; Roider, E.; Klose, J.; Hartlieb, E.; Waschke, J.; Ruzicka, T.; Sárdy, M. Successful Methotrexate Treatment of Oesophageal Pemphigus Vulgaris in an Immunosuppressed Patient With Crohn’s Disease. Acta Derm Venereol 2015, 95, 868-869.