Morpfile plasma monitoring by GC-MS in patients controlled administration (PCA) during the postoperative peiod od cardiac surgery off pump versus cardiopulmonary bypass grafting - Santos, Veronica Jorge; Santos, Luciana Moraes dos; Lanchote, Vera Lúcia; Carmona, Maria José Carvalho; Santos, Silvia Regina Cavani Jorge (International Congress of Pharmaceutical Sciences (CIFARP), 2007)