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Ulugbek, X. ., A. . M, R. . J, и O. . A. «BIOMEDITSINA UCHUN KOLLAGEN OLISH». Журнал естественных наук, т. 4, вып. 17, январь 2025 г., https://ppmedu.jdpu.uz/index.php/natscience/article/view/10472.