title: The extremely preterm births in Florence.
authors.forename: G
authors.initials: G
authors.lastname: Bertini
mesh_terms: D005260:Female; D005865:Gestational Age; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D007363:Intensive Care Units, Neonatal / Q000706:statistics & numerical data; D015931:Intensive Care, Neonatal / Q000379:methods / Q000706:statistics & numerical data*; D007558:Italy; D008297:Male; D017410:Practice Guidelines as Topic