
A new BAL fluid instillation and aspiration technique: A multicenter randomized study
Keywords: CI، فاصله اطمینان; Bronchoalveolar lavage; Bronchoscopy; Diagnosis; ComplicationsBAL, bronchoalveolar lavage; CI, confidence interval; COPD, chronic obstructive pulmonary disease; FEV1, forced expiratory volume in the first second; sd, standard deviation; SpO2, arterial oxy