TY  - BOOK
AU  - Navalani,K.
AU  - Gidwani,N.N.
TI  - A practical guide to colon classification/ 
U1  - 025.435 NAP 23
PY  - 1981///
CY  - New Delhi
PB  - Oxford & IBH Publishing Co.
KW  - Classification methods
ER  -