Makhfuza Mubinovna Rakhmatullaeva, and Shakhnoza Ulug’bekovna Sharipova. “VITAMIN D PROVISION OF GIRLS WITH MENSTRUAL DISORDERS”. World Bulletin of Public Health, vol. 12, July 2022, pp. 122-4, https://scholarexpress.net/index.php/wbph/article/view/1175.