Characteristics of mobile phone access and usage in rural and urban Guatemala: assessing feasibility of text message reminders to increase childhood immunizations.
Domek GJ, Contreras-Roldan IL, Asturias EJ, Bronsert M, Bola?os Ventura GA, O'Leary ST, Kempe A, Bull S. Characteristics of mobile phone access and usage in rural and urban Guatemala: assessing feasibility of text message reminders to increase childhood immunizations. Mhealth. 2018; 4:9.