The state of some protective factors of the vaginal mucosa in healthy cows and cows with mycoplasmosisRoman Vasiliev, Sergey Kovalev, Vyacheslav Trushkin, Alexey Prusakov and Vladimir PonamarevBIO Web Conf., 36 (2021) 06008DOI: https://doi.org/10.1051/bioconf/20213606008