Diagnosis of ventilator-associated pneumonia by bacteriologic analysis of bronchoscopic and nonbronchoscopic “blind” bronchoalveolar lavage fluid - Pugin,J.; Auckenthaler,R.; Mili,N.; Janssens,J.P.; Lew,P.D.; Suter,P.M. (Am Rev Respir Dis, 1991)