Frequencies of genetic variants of the Rh, Kell, Duffy, Kidd, MNS and Diego systems of northwest Rio Grande do Sul, Brazil Scheila da Silva Soares; Josiane Rodrigues Aquino; Francini Petrolli; Tiago Bittencourt de Oliveira; Silvana Almeida; Marilu Fiegenbaum;

Frequency of antigen Dia on the blood donor population of the Hemocenter coordinator of the Hemopa Foundation Adna dos Santos Caldas; Bruno Costa dos Santos; Maurício Koury Palmeira; Fabiana Regina Ribeiro Carvalho; Carlos Eduardo de Melo Amaral;

Beyond the crisis: Tracking chronic neuropathic pain in sickle cell disease using Douleur Neuropathique 4 and PainDETECT questionnaires Camila Freitas de Andrade Rodrigues; Thiago Alves Rodrigues; Pedro Igor de Sousa Rios; Isabelle Nunes Costa; Bruno Feres de Souza; João Batista Santos Garcia;