Prevalence of malaria parasites among blood donors in two hospitals in Enugu metropolis, Nigeria Samuel ThankGod Aluh; Patience Obiageli Ubachukwu; Kyrian Ikenna Onah; Gabriel Adebayo Oladepo; Chidi Ole Ukwen; Fupsin Rimamkirnde;

Assessment of erythrocyte alloimmunization among patients treated at a Brazilian university hospital Higor Silva Contelli; Mário Cézar de Oliveira; Aline Akemi Segatti Ido; Elaine Machado Francalanci; Patrícia Oliveira da Cunha Terra; Elmiro Ribeiro Filho; Deivid William da Fonseca Batistão; Sabrina Royer;