High frequency of variant RHD genotypes among donors and patients of mixed origin with serologic weak-D phenotype - Dezan, Marcia Regina; Oliveira, Valeria B; Gomes, Carolina Nunes; Luz, Fabio; Gallucci, Antonio J; Bonifacio, Silvia L; Alencar, Cecilia Salete; Sabino, Ester Cerdeira; Pereira, Alexandre C; Krieger, Jose E; Rocha, Vanderson Geraldo (Journal of clinical laboratory analysis, 2018)