TY  - JOUR
A1  - Farabee, D.
A1  - Schulte, M.
A1  - Gonzales, R.
A1  - Grella, C.E. 
T1  - Technological aids for improving longitudinal research on substance use disorders
Y1  - 2016
DO  - 10.1186/s12913-016-1630-0
JF  - BMC Health Services Research 
VL  - 16
IS  - 370

ER  -