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;

The medical treatment of cardiogenic shock Manuel García-Delgado; Raquel Rodríguez-García; Ana Ochagavía; Maria de los Ángeles Rodríguez-Esteban;

Persistence of bidirectional ventricular communication after myocardial infarctation: Utility of contrast J.A. Lameirão-Gaspar; R. Martín-Bermúdez; A. Adsuar-Gómez;