Елкина ТН, Пирожкова НИ, Грибанова ОА, Грибанова АС. EFFICIENCY OF THE SPECIFIC PREVENTION OF PNEUMOCOCCAL INFECTION IN CHILDREN ATTENDING PRESCHOOL INSTITUTIONS. МиД [Internet]. 2021 Aug. 25 [cited 2026 Aug. 4];22(3):63-70. Available from: https://www.mednauki.ru/index.php/MD/article/view/578