For citations:

Vasyunin A.V., Krasnova E.I., Karpovich G.S., Panasenko L.M., Mikhailenko M.A., Pomogaeva A.P. Urgent issues of epidemiology, clinical picture, diagnostics and prevention of pertussis at the present stage. Lechaschi Vrach. 2019;(1):14. (In Russ.)