title: Benchmarking in neonatal intensive care: obstetrical and neonatal practices and registration policies may influence outcome data.
authors.forename: Helmut
authors.initials: H
authors.lastname: Hummler
mesh_terms: D005260:Female; D006801:Humans; D007226:Infant Mortality; D008297:Male; D047928:Premature Birth / Q000401:mortality*