9Morrow BM, Argent AC. A comprehensive review of pediatric endotracheal suctioning: Effects, indications, and clinical practice[J]. Pediatr Crit Care Med, 2008,9(5) :465-477.
10Pedersen CM, Rosendahl-Nielsen M, Hjermind J, et al. Endotracheal suetioning of the adult intubated patient-What is the evidence? [J]. Intensive Crit Care Nurs, 2009,25( 1 ) :21-30.