TY  - JOUR 
T1  - How long should older people take antidepressants to prevent relapse?
JO  - Brazilian Journal of Psychiatry
A1  - Spear, Jon
SN  - 1516-4446
UL  - 10.1590/S1516-44462002000500013
VL  - 24 
Y1  - 2002
PB  - Brasil 
ER  -