title: Periventricular echodensities in preterm infants.
authors.forename: John
authors.initials: J
authors.lastname: Leonidas
mesh_terms: D004453:Echoencephalography; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D007235:Infant, Premature, Diseases / Q000000981:diagnostic imaging*; D007969:Leukomalacia, Periventricular / Q000000981:diagnostic imaging*; D015588:Observer Variation; D018579:Patient Selection