L. Koishibayeva, Y. Turgunov, G. Sandblom, Z. Koishibayev, and M. Teleuov, “Quality-of-life After Cholecystectomy in Kazakhstan and Sweden: Comparative Study Based on the Gastrointestinal Quality-of-life Index Questionnaire”, Open Access Maced J Med Sci, vol. 10, no. B, pp. 1560–1565, Jun. 2022.