Comparative characteristics of gel bases for semisolid dosage forms Angelina Zalivskaya, Darya Fadeeva, Natalia Shestopalova, Natalia Avtina, Valentina Radyukova and Veronica Ivanova BIO Web Conf., 40 (2021) 03008 Published online: 20 December 2021 DOI: 10.1051/bioconf/20214003008