“Contragestive Activity of Citrullus Colocynthis (L.) Schrad (Bitter Apple) Extract Is Via Oestrogen-Progesterone Suppression”. 2026. Nigerian Journal of Biochemistry and Molecular Biology 40 (3): 267-77. https://www.nsbmb.org.ng/journals/index.php/njbmb/article/view/632.