ß-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;

Application, verification and correction from an elaborate checklist with some of the recommendations (¿do and do not do¿) of the SEMICYUC working groups J.-M. Sirvent; C. Cordon; S. Cuenca; C. Fuster; C. Lorencio; P. Ortiz;