Drazdienė, N., Tamelienė, R., Kviluna, D., Saik, P., Saik, E., & Zaikauskienė, J. (2018). Hospitalisation of late preterm infants due to lower respiratory tract infections in Lithuania, Latvia, and Estonia: incidence, disease severity, and risk factors. Acta Medica Lituanica, 25(2), 76-85. https://doi.org/10.6001/actamedica.v25i2.3760