TY  - GEN
AU  - Delgado Márquez,M
TI  - [Words of gratitude]
SN  - 0375-0906
PY  - 1996///0820
KW  - Endoscopy
KW  - Gastroenterology
KW  - Humans
KW  - Mexico
N1  - Publication Type: Journal Article
ER  -