Journal of Otolaryngology - Head and Neck Surgery · 2014 · 21 citations · 12 references
Head position during swallowing (head up) and age greater than 40 years may result in increased pharyngeal residue but not laryngeal penetration or aspiration.
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A penetration-aspiration scale
John C. Rosenbek, Jo Anne Robbins, Ellen B. Roecker et al. · Dysphagia · 1996 · 2.7K citations
The benefit of head rotation on pharyngoesophageal dysphagia.
J A Logemann, Peter J. Kahrilas, Miyuki Kobara et al. · PubMed · 1989 · 307 citations
Effects of postural change on aspiration in head and neck surgical patients
Jeri A. Logemann, Alfred Rademaker, Barbara Roa Pauloski et al. · Otolaryngology · 1994 · 196 citations · Full text