Fig. 1.
Oral and pharyngeal regions of interest (ROI) were defined by radioactive skin markers placed over the posterior tonsillar pillar, hyoid bone and inferior margin of the cricoid cartilage (see text).
Oral and pharyngeal regions of interest (ROI) were defined by radioactive skin markers placed over the posterior tonsillar pillar, hyoid bone and inferior margin of the cricoid cartilage (see text).