S. I. Sitkin, O. B. Pozdnyakov, V. G. Yankov, and B. I. Khizhnyak, “Low Pulsoximetry as a Manifestation of Congenital Hemoglobinopathies. The Case of Hemoglobin Bonn in the Tver Region”, Annals of Critical Care, no. 3, pp. 76–80, Sep. 2017, doi: 10.21320/1818-474X-2017-3-76-80.