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+Cerv esophagus Views W Ba PO
rf pharynx+cerv esophagus views w ba po