Drazdienė, N., Laan, M., Zaikauskienė, J., & Usonis, V. (2018). Respiratory syncytial virus infection in a selected sample of infants hospitalized for lower respiratory tract infection in Lithuania and Estonia. Acta Medica Lituanica, 24(4), 191-198. https://doi.org/10.6001/actamedica.v24i4.3614