HISTOMORPHOLOGICAL FEATURES OF LAKE FROG`S SKIN (Rana ridibunda), LIVING AT THE HRAZDAN RIVER. Proceedings of the YSU B: Chemical and Biological Sciences, [S. l.], v. 45, n. 1 (224), p. 49–52, 2011. DOI: 10.46991/PYSUB.2011.45.1.049. Disponível em: https://journals.ysu.am/index.php/proceedings-chem-biol/article/view/vol45_no1_2011_pp049-052. Acesso em: 21 jan. 2026.