TY  - BOOK
AU  - John P.  Welch
TI  - Diverticular disease: management of the difficult surgical case
SN  - 0683088815
AV  - RC 862 .D6D58 1998
U1  - RC 862 
PY  - 1998///
CY  - Baltimore
PB  - williams & wilkins
ER  -