Leal Mateos, Manrique, y Juan B Madrigal Solis. «Analysis of Preoperative Test Screening in Patients Undergoing Elective Surgery at the Gynecology Department of the “Rafael Ángel Calderón Guardia” Hospital During 2009». Acta Médica Costarricense 52, no. 3 (junio 14, 2010): 154–158. Accedido abril 25, 2024. http://actamedica.medicos.cr/index.php/Acta_Medica/article/view/743.