For citations:
Tominina E.V., Skripov V.S., Kurkova E.S., Esina K.M., Semenova N.V., Kulakov D.D. Analysis of the primary incidence of drug addiction disorders in regions including cities with a population of over a million and regions without such cities. National Health Care (Russia). 2023;4(3):33-41. (In Russ.) https://doi.org/10.47093/2713-069X.2023.4.3.33-41