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. 2020 Jul 29;15:5389–5403. doi: 10.2147/IJN.S257353

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© 2020 Zhang et al.

This work is published by Dove Medical Press Limited, and licensed under a Creative Commons Attribution License. The full terms of the License are available at http://creativecommons.org/licenses/by/4.0/. The license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Release profile of progesterone from various formulations in comparison with progesterone dissolution on its own. (A) The release profile of progesterone from first five hours. (B) The release profile over seven days.