title: Range of normal valve annulus size in neonates.
authors.affiliation: Department of Pediatrics, Children's Hospital, University of Pittsburgh, Pennsylvania.
authors.forename: T A
authors.initials: TA
authors.lastname: Tacy
authors.forename: R P
authors.initials: RP
authors.lastname: Vermilion
authors.forename: A
authors.initials: A
authors.lastname: Ludomirsky
mesh_terms: D001835:Body Weight; D005260:Female; D006351:Heart Valves / Q000033:anatomy & histology*; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D008297:Male; D012016:Reference Values