Text message reminders to improve infant immunization in Guatemala: A randomized clinical trial.
Domek GJ, Contreras-Roldan IL, Bull S, O'Leary ST, Bola?os Ventura GA, Bronsert M, Kempe A, Asturias EJ. Text message reminders to improve infant immunization in Guatemala: A randomized clinical trial. Vaccine. 2019 09 30; 37(42):6192-6200.