Clinical and laboratory profile of patients with positive direct antiglobulin test attended at a university hospital in Goias, Brazil Isadora Cristina Mendes; Pâmela Cristina Gomes Farias de Assis; Raíssa Santos de Almeida; Luma Romeiro Rodrigues de Sousa; Lilian Carla Carneiro; Rosália Santos Amorim Jesuino;