Kirov, T., Malinova, L., Atanasova, D. and Lazarov, N. (2023) “Localization of Substance P-Immunoreactive Nerve Structures in the Rat Colon”, Proceedings of the Bulgarian Academy of Sciences. Sofia, Bulgaria, 76(5), pp. 796–802. doi: 10.7546/CRABS.2023.05.16.