A MODERN VIEW ON PRENOSOLOGICAL DIAGNOSTICS, PREVENTION AND OPTIMIZATION OF TREATMENT OF CHOLELITHIASIS AMONG THE POPULATION OF THE GERONTOLOGICAL GROUP. Eur. sci. methodical j. [Internet]. 2025 Mar. 17 [cited 2026 Jan. 14];3(3):51-8. Available from: https://europeanscience.org/index.php/3/article/view/1270