{Reference Type}: Case Reports {Title}: Case for diagnosis. Multiple infiltrated plaques in a patient with human immunodeficiency virus and hepatitis C co-infection: lichen myxedematosus. {Author}: Guarda NH;Bonamigo RR;Heck R; {Journal}: An Bras Dermatol {Volume}: 98 {Issue}: 3 {Year}: May-Jun 2023 23 {Factor}: 2.113 {DOI}: 10.1016/j.abd.2021.10.017