Velikov, P., Korsun, N., Dimitrov, G., Yordanova, R., Valkov, T., Chipeva, R., Ivanov, I., Popov, M., Velev, V., Trifonova, I., Kapincheva, N., & Tcherveniakova, T. (2023). SARS-CoV-2 infection in children and young people in Bulgaria – a prospective, single-center, cohort study. Acta Medica Bulgarica, 50(2), 10-19. https://doi.org/10.2478/AMB-2023-0014