For citations:

Kotraleva K.V., Popov E.A., Serdyukov A.G., Andreeva E.E. COMORBIDITY AND ITS RELATIONSHIP WITH THE COURSE OF ASTRAKHAN RICKETTSIAL FEVER. Astrakhan medical journal. 2022;17(2):54-63. (In Russ.) https://doi.org/10.48612/agmu/2022.17.2.54.633.1.22