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. 2020 Sep 30;8(3):413–430. doi: 10.9745/GHSP-D-20-00008

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© Klemm et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution 4.0 International License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly cited. To view a copy of the license, visit http://creativecommons.org/licenses/by/4.0/. When linking to this article, please use the following permanent link: https://doi.org/10.9745/GHSP-D-20-00008

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graphic file with name GH-GHSP200037F001.jpg — An interviewer arrives at a study participant's home to conduct household trials on antenatal calcium supplementation. © 2015 Zewdie Birhanu/Jimma University.