Mukhamedov Т., Ismailov С., Berdykulova Д., and Gabchenko С. “The Prevalence of Endocrine Diseases on Negotiability of the Population of Samarkand Region for 2003 to 2012”. Journal Problems of Biology and Medicine, no. 2 (73), May 2013, pp. 56-60, https://inlibrary.uz/index.php/problems_biology/article/view/6415.