Pyvovar, S., Y. Rudyk, I. Kravchenko, and T. Lozyk. “The Long-Term Prognosis of Patients With Heart Failure and the Gene Polymorphism Gln27Glu of β2-Adrenoreceptors”. ScienceRise: Medical Science, no. 6 (26), Sept. 2018, pp. 4-10, doi:10.15587/2519-4798.2018.143009.