. 2014 Dec 18;3(4):e77. doi: 10.2196/resprot.3797
©Ellen A Boamah, KP Asante, KA Ae-Ngibise, Patrick L Kinney, Darby W Jack, Grace Manu, Irene T Azindow, Seth Owusu-Agyei, Blair J Wylie. Originally published in JMIR Research Protocols (http://www.researchprotocols.org), 18.12.2014.
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Figure 2.
Representative sample image of crown-rump length from Ghana Randomized Air Pollution and Health Study (GRAPHS) participant.