Mushroom-shaped red blood cells (pincer cells): a brief update Guilherme Dienstmann; Vitor Barbosa dos Santos; Samuel Ricardo Comar;

Cold agglutinin associated with COVID-19 infection in a thalassemia patient with multiple alloantibodies: A case of cold hemagglutinin disease (CAD) with complex antibody detection Moharram Ahmadnezhad; Mohammad Mosleh; Shirin Ferdowsi; Saeed Mohammadi; Peyman Eshghi; Arezoo Oodi;

COVID-19 as a trigger of acute chest syndrome in a pregnant woman with sickle cell anemia Caio Cesar Justino; Felipe Favorette Campanharo; Marina Nobrega Augusto; Stela Cezarino de Morais; Maria Stella Figueiredo;