TY  - BOOK
AU  - Gyawali, Prakash c.,
AU  - Ciesielski, Thomas M
TI  - The washington manual gastroenterology : Subspecialty consult
SN  - 9789389859904
U1  - 616.33 
PY  - 2021///
CY  - Philadelphia
PB  - Wolters Kluwer
ER  -