TY  - JOUR
A1  - Cheung, Y.T.D.
A1  - Weng, X.
A1  - Wang, M.P.
A1  - Ho, S.Y.
A1  - Kwong, A.C.S.
A1  - Lai, V.W.Y.
A1  - Lam, T.H.
T1  - Effect of prepaid and promised financial incentive on follow-up survey response in cigarette smokers: A randomized controlled trial
Y1  - 2019
DO  - 10.1186/s12874-019-0786-9
VL  - 19
IS  - 138

ER  -