For citations:

Krasnova E.I., Karpovich G.S., Vasyunin A.V., Elkina T.N., Tatarenko Yu.A., Kuimova A.V. Risk factors of complicated course of pertussis infection and methods of their correction at the ambulatory stage according to modern trends of specific immunization. Lechaschi Vrach. 2020;(6):23-28. (In Russ.) https://doi.org/10.26295/OS.2020.90.33.004