Ocrelizumab-induced vulvovaginal pyoderma gangrenosum in a patient with relapsing-remitting multiple sclerosis oleh Annika Klumpp, MD, Felix Luessi, MD, Sinah Engel, MD, Beate Weidenthaler-Barth, MD, Detlef Becker, MD, Stephan Grabbe, MD, Hadrian Schepler, MD