Respiratory syncytial virus associated hospitalizations in preterm infants of 29 to 32 weeks gestational age using a risk score tool for palivizumab prophylaxis - Resch, B; Bramreiter, V S; Kurath-Koller, S; Freidl, T; Urlesberger, B (Eur J Clin Microbiol Infect Dis, 2017)