@article{articleb6e67348,
title   = {Blood groups in a large sample from the city of São Paulo (Brazil): allele and haplotype frequencies for mn ss, kell-cellano, rh and abo systems},
author = {Salaru, N N R and Otto, Paulo A},
year = {1989},
journal   = {Revista Brasileira de Genetica = Brazilian Journal of Genetics}
}