Wang, X., Luo, R., Liu, C., Zhang, L., Yue, A., Medina, A., & Rozelle, S. Using daily text messages to improve adherence to infant micronutrient powder (MNP) packets in rural western China: A cluster-randomized controlled trial. PloS One, 13(1), e0191549. https://doi.org/10.1371/journal.pone.0191549 (Original work published 2018)