TY  - BOOK
AU  - Snowball, Jan
AU  - Green, Wendy H.
TI  - Nursing principles: a guide for practice 
SN  - 0632018127
U1  - WY 195 
PY  - 1987///
CY  - Oxford
PB  - Blackwell Scientific publications
KW  - Nursing principles
N1  - Includes index
ER  -