https://www.longdom.org/ Longdom Publishing SL specializes in digital advertising to help clients inform and attract new customers quickly and efficiently. https://www.longdom.org/global-research-journal-science-nature/current-issue.html Volume 1, Issue 2 https://www.longdom.org/articles/action-of-contractile-fraction-of-vernonia-amygdalina-del-ethanolic-extract-on-hormonal-profile-of-estrogen-and-progeste.pdf Igwe Kalu Kalu, Ijeh IfeomaIrene and Okafor PolycarpN