TY  - GEN
AU  - Zalewski,T
TI  - [Gastroenterology]
SN  - 0031-3939
PY  - 1974///0919
KW  - Child
KW  - Gastrointestinal Diseases
KW  - therapy
KW  - Humans
KW  - Poland
N1  - Publication Type: Journal Article
ER  -