For citations:

Mazurov V.I., Belyaeva I.B., Demina R.Ya. V.A. Nasonova and the development of rheumatology in the North-Western Federal District. Rheumatology Science and Practice. 2011;49(6):12-13. (In Russ.) https://doi.org/10.14412/1995-4484-2011-512