Case report: Bullous pemphigoid in HIV-1-positive patients: interplay or coincidence? A case series and review of the literature - Foerster, Yannick; Sollfrank, Lukas; Rechtien, Laura; Harrer, Thomas; Berking, Carola; Sticherling, Michael (Friedrich-Alexander-Universität Erlangen-Nürnberg, 2023)