SMIM1 intron 2 gene variations leading to variability in Vel antigen expression among Brazilian blood donors - Dezan, Marcia Regina; Costa-neto, Abel; Gomes, Carolina Nunes; Ribeiro, Ingrid Helena; Oliveira, Valeria Brito; V, Marina C. A. Conrado; Oliveira, Theo Gremen M.; Krieger, José Eduardo; Sabino, Ester Cerdeira; Rocha, Vanderson Geraldo (Blood cells molecules and diseases, 2019)