title: Malfunction of heat and moisture exchanger filters: Causality or unresolved problem?
authors.affiliation: Department of Critical Care, Division of Anesthesiology and Critical Care, Intensive Care Unit, Hospital Morales Meseguer, Murcia, Spain.
authors.forename: Antonio M
authors.initials: AM
authors.lastname: Esquinas
authors.forename: S Egbert
authors.initials: SE
authors.lastname: Pravinkumar