For citations:
Rychkova OA, Grakhova MA. IMMUNOPROPHYLAXY OF POLYOMYELITIS: FROM THE FIRST INACTIVE TO THE LAST PERORAL VACCINE, OR HOW CLOSE IS THE «END OF THE GAME»? Meditsinskiy sovet = Medical Council. 2018;(2):224-228. (In Russ.) https://doi.org/10.21518/2079-701X-2018-2-224-228