TY  - BOOK
AU  - Lehman,Glen A.
AU  - Schapiro,Melvin
TI  - Flexible sigmoidoscopy :techniques and utilization 
SN  - 0683049097
AV  - RC804.S47 F57 1990
PY  - 1990///
CY  - Baltimore
PB  - Williams & Wilkins
KW  - Sigmoidoscopy
ER  -