M.T., K. “BLEEDING WHEN WEARING INTRAUTERINE CONTRACEPTIVES AND THEIR RELATIONSHIP WITH THE NITRIC OXIDE SYSTEM”. American Journal of Pediatric Medicine and Health Sciences (2993-2149), vol. 1, no. 7, Sept. 2023, pp. 84-88, https://grnjournal.us/index.php/AJPMHS/article/view/733.