For citations:
. The Russian Archives of Internal Medicine. 2012;(4):6-7. (In Russ.) https://doi.org/10.20514/2226-6704-2012-0-4-6-7
. The Russian Archives of Internal Medicine. 2012;(4):6-7. (In Russ.) https://doi.org/10.20514/2226-6704-2012-0-4-6-7