AUTHOR=Cozzani Emanuele , Gasparini Giulia , Russo Roberto , Parodi Aurora TITLE=May bullous pemphigoid be worsened by COVID-19 vaccine? JOURNAL=Frontiers in Medicine VOLUME=9 YEAR=2022 URL=https://www.frontiersin.org/journals/medicine/articles/10.3389/fmed.2022.931872 DOI=10.3389/fmed.2022.931872 ISSN=2296-858X