OCCUPATIONAL BURN-OUT, FATIGUE AND STRESS IN PROFESSIONAL RESCUERS: A CROSS-SECTIONAL STUDY IN KAZAKHSTAN Статья Vinnikov Denis, Kapanova Gulnara, Romanova Zhanna, Krugovykh Ilya, Kalmakhanov Sundetgali, Ualiyeva Aliya, Baigonova Kaini, Tulekov Zhangir, Ongarbaeva Damet BMJ Open. BMJ Publishing Group. Том 12. 2022. e057935 с.