title: Fourth edition of the Guidelines for Perinatal Care: summary of changes.
authors.affiliation: Department of Pediatrics, Brown University School of Medicine, Providence, Rhode Island 02905, USA.
authors.forename: W
authors.initials: W
authors.lastname: Oh
authors.forename: G
authors.initials: G
authors.lastname: Merenstein
mesh_terms: D006801:Humans; D007231:Infant, Newborn; D018743:Perinatal Care / Q000379:methods / Q000592:standards; D017410:Practice Guidelines as Topic