A Brief Intervention Programme on ASP
NCT04302480
·
clinicaltrials.gov ↗
NA
Phase
UNKNOWN
Status
1000
Enrollment
OTHER
Sponsor class
Conditions
Alternative Smoking Products
Interventions
OTHER:
Worksheets for ASP
OTHER:
Worksheets for SSB
OTHER:
E-messages for ASP
OTHER:
E-messages for SSB
Sponsor
The University of Hong Kong