Effect of ABO blood groups on length of hospital stay according to age in Covid-19 patients Vildan Gursoy; Suna Avci;

Mixed field resolution in ABO phenotyping in a rare case of a blood donor with hematopoietic mosaicism Marcos Paulo Miola; Cristiane da Silva Rodrigues de Araújo; Octávio Ricci Junior; Luiz Carlos de Mattos;

ABO discrepancy resolution in two patients with acute myeloid leukemia presenting the transient weak expression of A antigen Marcos Paulo Miola; Tharsis Cardoso de Oliveira; Andrea Aparecida Garcia Guimarães; Octávio Ricci-Junior; Luiz Carlos de Mattos;