Xasanova, G., and D. Tojiboyeva. “Features of Autonomic Regulation of Heart Rhythm in Children With Correction of Atrial Septal Defect at the Primary Stage of Rehabilitation”. Актуальные вопросы практической педиатрии, vol. 1, no. 2, May 2024, pp. 284-7, https://www.inlibrary.uz/index.php/issues-practical-pediatrics/article/view/33526.