SYMPTOMS OF SEASONAL AFFECTED DISORDERS (SAD) AND REDUCTION QUALITY OF LIFE (QOL) AS PREDICTORS OF DECREASING THE FUNCTIONAL RESERVES OF THE ORGANISM IN AFRICAN MEDICAL STUDENTS DURING STUDY AND LIFE IN MOSCOW Article Shastun S.A., Glebov V.V., Gazi Khalabi, Bondarenkova A.L., Belozvetova L.I., Ochilov A.O., Ahmadaliev Zh.B., Cleves Michel, Mohamed Zeynab, Lafi Otkhman, Rima Otkhman Эколого-физиологические проблемы адаптации : материалы XVII Всероссийского симпозиума. Рязань, 23-26 мая 2017 г.. РУДН. 2017. P. 262-265