TY  - BOOK
AU  - Overbeek,Jos J.M.Van
TI  - The hypopharyngeal diverticulum: endoscopic treatment and manometry 
SN  - 9023215567
PY  - 1977///
CY  - Assen, Netherlands
PB  - Van Gorcum
KW  - The Hypopharyngeal
ER  -