For citations:
Kizeev A.N., Syurin S.A. General Medical Conditions and Occupational Diseases in Workers Engaged in Crude Nickel and Copper Production. Public Health and Life Environment – PH&LE. 2022;(5):76-85. (In Russ.) https://doi.org/10.35627/2219-5238/2022-30-5-76-85