Canning, D., Shah, I. H., Pearson, E., Pradhan, E., Karra, M., Senderowicz, L., . . . Langer, A. (2016). Institutionalizing postpartum intrauterine device (IUD) services in Sri Lanka, Tanzania, and Nepal: Study protocol for a cluster-randomized stepped-wedge trial. BMC Pregnancy Childbirth.

Canning, David, Iqbal H. Shah, Erin Pearson, Elina Pradhan, Mahesh Karra, Leigh Senderowicz, Till Bärnighausen, Donna Spiegelman, und Ana Langer. "Institutionalizing Postpartum Intrauterine Device (IUD) Services in Sri Lanka, Tanzania, and Nepal: Study Protocol for a Cluster-randomized Stepped-wedge Trial." BMC Pregnancy Childbirth 2016.

Canning, David, et al. "Institutionalizing Postpartum Intrauterine Device (IUD) Services in Sri Lanka, Tanzania, and Nepal: Study Protocol for a Cluster-randomized Stepped-wedge Trial." BMC Pregnancy Childbirth 2016.