Paz Rojas, Enrique Luis, Darío Ponce de León Pandolfi, and Rafael Ramírez Ponce. 2008. “Antimicrobial Resistance in an Intensive Care Unit and Current Trends: Critical Care Department, IntensiveCare Service of Guillermo Almenara-Irigoyen National Hospital, EsSalud, Lima. Peru, 2004-2006”. ACTA MEDICA PERUANA 25 (3), 140 -47. http://www.amp.cmp.org.pe/index.php/AMP/article/view/1407.