Hnatiuk, V. V., and N. M. Kononenko. “The Relationship Between the Levels of Melatonin and Testosterone in Male Rats of Different Ages With Ulcer of the Stomach”. Pathologia, no. 2 (October 8, 2015). Accessed April 26, 2025. https://pat.zsmu.edu.ua/article/view/48622.