TO THE 90TH ANNIVERSARY OF FOUNDING OF THE N.N.PETROV RESEARCH INSTITUTE OF ONCOLOGY: THE MAIN DIRECTIONS OF RESEARCH AND CLINICAL WORK OF THE LEADING ONCOLOGICAL INSTITUTION IN RUSSIA. (2017). Voprosy Onkologii, 63(2), 171-189. https://doi.org/10.37469/0507-3758-2017-63-2-171-189