TY  - GEN
AU  - Raab,M
AU  - Gutierrez,F
TI  - [Not Available]
SN  - 0177-5227
PY  - 1988///0127
KW  - Digestive System
KW  - Gastroenterology
KW  - history
KW  - History, Modern 1601-
N1  - Publication Type: Historical Article; Journal Article
ER  -