@article{articlee6518c3b,
title   = {Optimized procedure for extraction of dna from fresh and cryopreserved clotted human blood for use in molecular testing},
author = {Salazar, L A and Hirata, Mario Hiroyuki and Cavalli, S A and Machado, M O and Hirata, Rosario Dominguez Crespo},
year = {1998},
journal   = {Clinical Chemistry}
}