title: Aspiration: a common event and a clinical challenge.
authors: John L
authors: JL
authors: Colombo
authors: Timothy K
authors: TK
authors: Hallberg
mesh_terms: D002648:Child; D002675:Child, Preschool; D003679:Deglutition / Q000502:physiology; D005547:Foreign Bodies; D006801:Humans; D029424:Pulmonary Disease, Chronic Obstructive / Q000503:physiopathology; D053120:Respiratory Aspiration / Q000175:diagnosis / Q000503:physiopathology*