For citations:
Zhidkova E.A., Naigovzina N.B., Kalinin M.R., Gutor E.M., Gurevich K.G. The Analysis of the Causes of Sudden Deaths Among Workers of Locomotive Crews. Kardiologiia. 2019;59(6):42-47. (In Russ.) https://doi.org/10.18087/cardio.2019.6.2552