TY  - GEN
AU  - Ellis Jr, F. Henry
AU  - Olsen, Arthur M.
TI  - Achalasia of the esophagus
T2  - Major problems in clinical surgery
PY  - 1969///
CY  - Philadelphia
PB  - W.B. Saunders Company
KW  - Acalásia do esôfago
KW  - DP 616.329
KW  - v.9
KW  - ACH
ER  -