title: Influence of patient factors on the efficacy of breathing system filters at preventing contamination of breathing systems.
authors.affiliation: Department of Anaesthetics and Intensive Care Medicine, School of Medicine, Cardiff University, Cardiff, UK.
authors.forename: S
authors.initials: S
authors.lastname: Dugani
authors.forename: A
authors.initials: A
authors.lastname: Kumar
authors.forename: A R
authors.initials: AR
authors.lastname: Wilkes