“ANALYSIS OF THE MAIN INDICATORS CHARACTERIZING MEDICAL CARE FOR CHILDREN WITH CANCER IN SAINT-PETERSBURG AND IN THE LENINGRAD REGION IN 2013-2017”. Voprosy onkologii 65, no. 1 (January 1, 2019): 77–82. Accessed October 14, 2026. https://voprosyonkologii.ru/index.php/journal/article/view/927.