“Muddatidan oldin tug‘ilgan chaqaloqlarda hayot uchun xavfli holatlarni erta aniqlash va bashorat qilish maqsadida gemodinamik ko‘rsatkichlarning ultratovush baholanishi”, hncmc, vol. 3, no. 2, pp. 79–85, Jun. 2025, Accessed: Aug. 07, 2026. Available: https://hnchmc.uz/jour/article/view/226