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Aardema, Heleen, L Marjon Dijkema, Mark G. Lazonder, Jack JM Ligtenberg, Jaap E. Tulleken, and Jan G. Zijlstra. Value and Price of Ventilator-associated Pneumonia Surveillance As a Quality Indicator. BioMed Central, 2010.

Aardema, Heleen, et al. Value and Price of Ventilator-associated Pneumonia Surveillance As a Quality Indicator. BioMed Central, 2010.