Blood transfusion and iatrogenic risks in Mexico city: anti-Trypanosoma cruzi seroprevalence in 43,048 blood donors, evaluation of parasitemia, and electrocardiogram findings in se... oleh Nidia Hernández-Becerril, Ana Maria Mejía, Martha Alicia Ballinas-Verdugo, Verónica Garza-Murillo, Elsa Manilla-Toquero, Ruth López, Sergio Trevethan, Manuel Cardenas, Pedro Antonio Reyes, Kenji Hirayama, Victor Manuel Monteón