title: Hospital practice explains variation in outcomes in extremely premature infants, US study finds.
authors.affiliation: Seattle.
authors.forename: Michael
authors.initials: M
authors.lastname: McCarthy
mesh_terms: D002658:Developmental Disabilities / Q000453:epidemiology*; D005260:Female; D006801:Humans; D007226:Infant Mortality; D062071:Infant, Extremely Premature; D008297:Male; D013812:Therapeutics / Q000706:statistics & numerical data*