Views^W barium contrast PO:Find:Pt:Neck>Pharynx+Esophagus.cervical:Doc:RF
views^w barium contrast po:find:pt:neck>pharynx+esophagus.cervical:doc:rf
RF Pharynx and Cervical esophagus Views W barium contrast PO
rf pharynx and cervical esophagus views w barium contrast po