RUDN Journal of MedicineRUDN Journal of Medicine2313-02452313-0261Peoples’ Friendship University of Russia named after Patrice Lumumba (RUDN University)3052Conference Report, Theses of ReportCombined effects of shift work and the changed photoperiod of the northen region on human healthSimonovV N-BochkarevM V-RagozinO Noragozin@mail.ruKhanty-Mansiysk State Medical Academy15072012S719619707092016Copyright © 2012,2012