TY  - JOUR 
T1  - Validation of a questionnaire for the evaluation of informal social support for the elderly: section 1
JO  - Revista Brasileira de Geriatria e Gerontologia
A1  - Guedes, Marcello Barbosa Otoni Gonçalves
A1  - Lima, Kenio Costa
A1  - Lima, André Luiz
A1  - Guedes, Thais Sousa Rodrigues
SN  - 1809-9823
UL  - 10.1590/1981-22562018021.180119
VL  - 21 
Y1  - 2018
PB  - Brasil 
ER  -