Abbreviations
From the following article
Oral, pharyngeal and upper esophageal sphincter motility disorders
Benson T. Massey and Reza Shaker
GI Motility online (2006)
doi:10.1038/gimo19
ALS
amyotrophic lateral sclerosis
GABA
-aminobutyric acid
GERD
gastroesophageal reflux disease
UES
upper esophageal sphincter