%0 Conference Article %T Possibilities of using photodynamic therapy %A Levkovskaya, Z.S. %A Gritskevich, O.Y. %K photodynamic therapy, photosensitizers, light exposure, photochemical reaction %J ISSUES OF ESTABLISHING THE SEVERITY OF HARM CAUSED TO HUMAN HEALTH AS A RESULT OF EXPOSURE TO A BIOLOGICAL FACTOR %D 2024 %P 7 %I Publishing Center RIOR