TY  - JOUR 
T1  - Development and content validity of the new version of a patient classification instrument
JO  - Revista Latino-Americana de Enfermagem
A1  - Perroca, Marcia Galan
SN  - 0104-1169
UL  - 10.1590/S0104-11692011000100009
VL  - 19 
Y1  - 2011
PB  - Brasil 
ER  -