Table 4 - Speech Pathology Section (126) VA Boston Healthcare Videofluoroscopic Evaluation Worksheet for Swallowing (VEWS) Video Swallow/Modified Barium Swallow (MBS)
From the following article
How to perform video-fluoroscopic swallowing studies
Gary D. Gramigna
GI Motility online (2006)
doi:10.1038/gimo95