COVID-19 in hospitalized infants aged under 3 months: multi-center experiences across Turkey. - Üstündağ, Gülnihan; Karadag-Oncel, Eda; Kara-Ulu, Nursel; Polat, Meltem; Salı, Enes; Çakır, Deniz; Şahin, Aslıhan; Akaslan-Kara, Aybüke; Kaçar, Pelin; Işık, Aylin Dizi; Erdemli, Pınar Canizci; Durmuş, Sevgi Yaşar; et al. (European Journal of Pediatrics, 2024)