Effects of Almaty city ecological factors on students blood indices Tilek Baidaulet, Alibek Ydyrys, Moldir Imanaliyeva, Zifa Askarova, Gulziya Srailova, Maira Murzakhmetova and Sultan Tuleukhanov E3S Web Conf., 169 (2020) 04005 Published online: 19 May 2020 DOI: 10.1051/e3sconf/202016904005