TY  - GEN
AU  - Valverde,A
TI  - [Approach to the cervical esophagus]
SN  - 0021-7697
PY  - 2004///0121
KW  - Esophagus
KW  - surgery
KW  - Humans
KW  - Posture
N1  - Publication Type: Journal Article; Review
ER  -