TY JOUR TI Characteristics of gallstones with crystal structure KW gallstones KW cholesterol KW organic matter KW structure JO Proceedings of the Komi Science Centre of the Ural Division of the Russian Academy of Sciences AU Mashina, E.V. PY 2024 IS 0 PB FSBI FIC "Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences"