“Hemodynamic Response After Orotraqueal Intubation in Patients Undergoing Elective Abdominal Surgery That Receive Clonidine O Lidocaine before Anesthesia Induction”. Boletin Médico de Postgrado, vol. 36, no. 1, Mar. 2020, pp. 26-31, https://revistas2.uclave.org/index.php/bmp/article/view/2602.