TY - JOUR T1 - Brain ischemia alters platelet ATP diphosphohydrolase and 5'-nucleotidase activities in naive and preconditioned rats JO - Brazilian Journal of Medical and Biological Research A1 - Frassetto, S.S. A1 - Schetinger, M.R.C. A1 - Schierholt, R. A1 - Webber, A. A1 - Bonan, C.D. A1 - Wyse, A.T. A1 - Dias, R.D. A1 - Netto, C.A. A1 - Sarkis, J.J.F. SN - 0100-879X UL - 10.1590/S0100-879X2000001100017 VL - 33 Y1 - 2000 PB - Brasil ER -