TY  - JOUR 
T1  - Methodological challenges in the use of focus groups with people with severe mental illness
JO  - Cadernos de Saúde Pública
A1  - Onocko-Campos, Rosana Teresa
A1  - Díaz, Alberto Rodolfo Giovanello
A1  - Dahl, Catarina Magalhães
A1  - Leal, Erotildes Maria
A1  - Serpa Junior, Octavio Domont de
SN  - 0102-311X
UL  - 10.1590/0102-311X00187316
VL  - 33 
Y1  - 2017
PB  - Brasil 
ER  -