Effectiveness of oral rinse with chlorhexidine in preventing nosocomial respiratory tract infections among intensive care unit patients - Bellissimo-Rodrigues, Fernando; Bellissimo-Rodrigues, Wanessa Teixeira; Viana, Jaciara Machado; Teixeira, Gil Cezar Alkmim; Nicolini, Edson; Martins, Maria Auxiliadora; Passos, Afonso Dinis Costa; Martinez, Edson Zangiacomi; Basile Filho, Aníbal; Martinez, Roberto (Infection Control and Hospital Epidemiology, 2009)