Kirichek, P. 2024. MODULATION OF THE CONTRACTILE ACTIVITY IN THE SMOOTH MUSCLES OF THE COLON BY BIOLOGICALLY ACTIVE SUBSTANCES. Cherkasy University Bulletin: Biological Sciences Series. 1 (Jun. 2024), 29–34. DOI:https://doi.org/10.31651/2076-5835-2018-1-2024-1-29-34.