TY  - GEN
AU  - Peña Yañez,A
TI  - [Lower esophageal ring]
SN  - 0034-9437
PY  - 1969///0110
KW  - Adult
KW  - Deglutition Disorders
KW  - etiology
KW  - Esophageal Stenosis
KW  - Esophagoscopy
KW  - Humans
N1  - Publication Type: Journal Article
ER  -