Completed
Use of Airtime Amounts to Improve Interactive Voice Response Surveys in Colombia and Tanzania
NCT03772470
- Conditions
- Disease Attributes, Noncommunicable Diseases, Pathologic Processes, +2 more
- Locations
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- Instituto de Salud Publica Pontificia Universidad Javeriana Bogotá, D.C., Colombia
- Ifakara Health Institute Dar es Salaam, Tanzania