1Banupriya B, Biswal N, Srinivasaraghavan R, et al. Probiotic prophylaxis to prevent ventilator associated pneumonia (VAP) in children on mechanical ventilation: an open-label randomized controlled trial [J]. Intensive Care Med,2015, 41 (4) : 677-685.
2Awasthi S, Tahazzul M, Ambast A, et al. Longer duration of mechanical ventilation was found to be associated with ventilator-associated pneumonia in children aged 1 month to 12 years in India[ J]. J Clin Epidemiol,2013, 66( 1 ) : 62456.