Predictors of aspiration pneumonia: developing a new matrix for speech and language therapists. - Ball L; Meteyard L; Powell RJ (European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery, 2023)