TY  - JOUR 
T1  - Ethical aspects considered by researchers who use qualitative approaches in health
JO  - Ciência & Saúde Coletiva
A1  - Nunes, Everardo Duarte
SN  - 1413-8123
UL  - 10.1590/S1413-81232008000200010
VL  - 13 
Y1  - 2008
PB  - Brazil 
ER  -