For citations:

Leifer O.V., Leifer E.V., Ivanov E.R. Skin cancer: questions of carcinogenesis and epidemiology on the example of the Novgorod region. Title in english. 2021;(1(122)):46-49. (In Russ.) https://doi.org/10.34680/2076-8052.2021.1(122).46-49