System of healthcare of the Russian Federation: estimates, projections, expectations. Gosudarstvennaya Sluzhba, [S. l.], v. 18, n. 1, p. 46–47, 2016. Disponível em: https://gosudarstvennaya-sluzhba.owebs.ru/article/view/22204. Acesso em: 9 nov. 2026.