β-lactam antibiotics to prevent ventilator-associated pneumonia (VAP) in coma patients: A systematic review and meta-analysis of randomized controlled trials Edinson Dante Meregildo-Rodriguez, Mariano Ortiz-Pizarro, Martha Genara Asmat-Rubio, Carlos Geraldo Fernandez-Narváez, Gustavo Adolfo Vásquez-Tirado

Noninvasive ventilation: When, how and where? C. Lorencio, J.M. Sirvent

Chlorhexidine and ventilator-associated pneumonia Fausto Marcos Guerrero-Toapanta, Yeimi del Carmen Herrera-Parra