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PSNet: Patient Safety Network
Journal Article

Randomized controlled trial of a pictogram-based intervention to reduce liquid medication dosing errors and improve adherence among caregivers of young children. 

Yin S, Dreyer BP, van Schaick L, et al. Archives of pediatrics & adolescent medicine. 2008;162:814-22.

This study incorporated the use of a pictogram in medication counseling and showed that it decreased dosing errors and improved adherence. The strategy described builds on existing efforts to develop health literacy interventions for improving medication safety.