Long-term expiratory airflow of infants born moderate-late preterm: A systematic review and meta-analysis oleh Cassidy Du Berry, Christopher Nesci, Jeanie L.Y. Cheong, Tara FitzGerald, Rheanna Mainzer, Sarath Ranganathan, Lex W. Doyle, Elianne J.L.E. Vrijlandt, Liam Welsh