Drazdienė, N.; Tamelienė, R.; Kviluna, D.; Saik, P.; Saik, E.; Zaikauskienė, J. Hospitalisation of Late Preterm Infants Due to Lower Respiratory Tract Infections in Lithuania, Latvia, and Estonia: Incidence, Disease Severity, and Risk Factors. AML 2018, 25 (2), 76-85. https://doi.org/10.6001/actamedica.v25i2.3760.