Ectonucleotidase activities are altered in serum and platelets of L-NAME-treated rats - Fürstenau, Cristina Ribas; Trentin, Danielle da Silva; Gossenheimer, Agnes Nogueira; Ramos, Denise Barbosa; Casali, Emerson André; Barreto-Chaves, Maria Luiza Morais; Sarkis, João José Freitas (Blood Cells, Molecules and Diseases, 2008)