@article{irie_yamamoto_2024,  title={Severe aggravation and possible triggering of pemphigus vulgaris following COVID-19 vaccination: report of two cases<sup/>},  volume={99},  ISSN={0365-0596},  url={https://doi.org/10.1016/j.abd.2023.04.012},  DOI={10.1016/j.abd.2023.04.012},  number={5},  journal={Anais Brasileiros de Dermatologia},  publisher={Sociedade Brasileira de Dermatologia},  author={Irie, Kinuko and Yamamoto, Toshiyuki},  year={2024},  month={Sep},  pages={758–762} }