Retropharyngeal Abscess
Emedicine.medscape.com Jan, Kahn, J.H. & Shlamovitz, G.Z., 2017
Atrioesophageal Fistula -Clinical Presentation, Procedural Characteristics, Diagnostic Investigations, and Treatment Outcomes
Circ Arrhythrm Electrophysiol doi:10.1161/CIRCEP.117.005579, Han,H-C.,et al, 2017
Is it a Stroke?
BMJ 350:h56, Hankey, G.J. & Blacker, D.J., 2015