Ahmed, Noor Hasan. “Studying the Effect of Cholesterol and Activin a Hormone on Inducing Abortion in Pregnant Women ”. Journal for Research in Applied Sciences and Biotechnology 3, no. 2 (May 12, 2024): 175–179. Accessed May 3, 2025. http://www.jrasb.com/index.php/jrasb/article/view/513.