. 2021 Jun;21(2):628–632. doi: 10.4314/ahs.v21i2.18
© 2021 Muzanyi G et al.
Licensee African Health Sciences. This is an Open Access article distributed under the terms of the Creative commons Attribution License (https://creativecommons.org/licenses/BY/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Figure 1.
Study profile/schema