TY JOUR TI MATHEMATICAL MODEL OF FRAGMENTATION OF URINARYCONCREMENTS IN URETER BY HOLMIUM LITHOTRIPTER KW Transurethral contact holmium lithotripsy KW prediction of crushing duration KW multi- factor regression model JO Tavricheskiy Mediko-Biologicheskiy Vestnik AU Eremenko, A.. PY 2022 IS 23 PB V.I. Vernadsky Crimean Federal University