Hallsworth, M., Berry, D., Sanders, M., Sallis, A., King, D., Vlaev, I., & Darzi, A. (2015). Stating Appointment Costs in SMS Reminders Reduces Missed Hospital Appointments: Findings from Two Randomised Controlled Trials. PLoS One.

Hallsworth, Michael, Dan Berry, Michael Sanders, Anna Sallis, Dominic King, Ivo Vlaev, a Ara Darzi. "Stating Appointment Costs in SMS Reminders Reduces Missed Hospital Appointments: Findings From Two Randomised Controlled Trials." PLoS One 2015.

Hallsworth, Michael, et al. "Stating Appointment Costs in SMS Reminders Reduces Missed Hospital Appointments: Findings From Two Randomised Controlled Trials." PLoS One 2015.