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Instrumental assessment for feeding problems. Green boxes with dotted outlines depict advantages; red boxes with dashed outlines depict disadvantages. (EGD: esophagogastroduodenoscopy, FEES: fiberoptic endoscopic evaluation of swallowing, GER: gastroesophageal reflux, LES: lower esophageal sphincter, pH-MII: pH monitoring multichannel impedance, UES: upper esophageal sphincter, VFSS: videofluoroscopic swallow study, UGI: Upper Gastrointestinal Fluoroscopy).
