MICROBIOLOGICAL STUDY OF THE EFFICIENCY OF ROOT CANAL TREATMENT WITH ER:YAG LASER СтатьяRazumova S.N., Brago A.S., Barakat H.B., Kozlova Yu.S., Velichko E.V., Vasiliev Yu.L.Biomedical Photonics. Том 8. 2019. С. 11-16