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The impact of short message service text messages sent as appointment reminders to patients’ cell phones at outpatient clinics in São Paulo, Brazil

Family MedicineHealth SystemsPrimary CareOutpatient ClinicsConnected HealthHealth PolicyPatient ExperienceHealth CommunicationSão PauloHealthcare CommunicationEhealthTelecarePublic HealthMobile HealthMedicineAppointment Reminders