TY JOUR TI Assessing the agreement between specialists in ultrasound diagnostics of degenerative changes in the L5-S1 intervertebral disc KW intervertebral disc KW nucleus pulposus KW annulus fibrosus KW kappa criterion KW ultrasound diagnostics JO Manual Therapy AU Kuzminov, K.O. AU Kanaev, S.P. AU Tolstopyatov, A.I. AU Dontsova, A.E. AU Bolotov, D.A. PY 2024 IS 0 PB Interregional Associations of Public Union of Manual Medicine Doctors