@article{guarda_bonamigo_heck_2023,  title={Case for diagnosis. Multiple infiltrated plaques in a patient with human immunodeficiency virus and hepatitis C co-infection: lichen myxedematosus },  volume={98},  ISSN={0365-0596},  url={https://doi.org/10.1016/j.abd.2021.10.017},  DOI={10.1016/j.abd.2021.10.017},  number={3},  journal={Anais Brasileiros de Dermatologia},  publisher={Sociedade Brasileira de Dermatologia},  author={Guarda, Nathalia Hoffmann and Bonamigo, Renan Rangel and Heck, Renata},  year={2023},  month={May},  pages={398–400} }