title: Estimating the Risk of Ventilator-associated   Pneumonia as a Function of Time.
authors.forename: Martin
authors.initials: M
authors.lastname: Wolkewitz
mesh_terms: D005260:Female; D006801:Humans; D007442:Intubation, Intratracheal / Q000295:instrumentation*; D008297:Male; D018410:Pneumonia, Bacterial / Q000517:prevention & control*