@article{articled05ffe4c, title = {Gene frequencies of the HPA-1 and HPA-2 platelet antigen alleles among the amerindians}, author = {Covas, Dimas Tadeu and Delgado, M and Zeitune, M M and Guerreiro, J F and Santos, S. E. B. and Zago, Marco Antônio}, year = {1997}, doi = {10.1034/j.1600-0609.2000.90172.x}, journal = {Vox Sanguinis} }