For citations:
. The Russian Archives of Internal Medicine. 2013;(6):12-13. (In Russ.) https://doi.org/10.20514/2226-6704-2013-0-6-12-13
. The Russian Archives of Internal Medicine. 2013;(6):12-13. (In Russ.) https://doi.org/10.20514/2226-6704-2013-0-6-12-13