Diagnostic value of quantitative cultures of bronchoalveolar lavage and telescoping plugged catheters in mechanically ventilated patients with bacterial pneumonia - Torres,A.; De La Bellacasa,J.P.; Xaubet,A.; Gonzales,J.; Rodriguez-Roisin,R.; Jimenez De Anta,M.; El-Ebiary,M.T.; Agust-Vidal,A. (Am Rev Respir Dis, 1989)