Isong IK, Okhormhe ZA, Eze-Bassey I, Okpokam DC, Usoro CAO. Levels of prolactin, progesterone, estradiol, luteinizing hormone and follicle stimulating hormone in infertile women in Calabar, Nigeria. Int J Reprod Contracept Obstet Gynecol [Internet]. 2017 Feb. 23 [cited 2025 Oct. 13];5(3):803-7. Available from: https://www.ijrcog.org/index.php/ijrcog/article/view/771