TY  - BOOK
AU  - Raskin,Jeffrey B.
AU  - Nord,H.Juergen
TI  - Colonoscopy: principles and techniques 
SN  - 0896402770
PY  - 1995///
CY  - New York
PB  - Igaku-Shoin
KW  - Colonoscopy
KW  - Methods
ER  -