%0 Journal Article
%T Regional Variation on Rates of Bronchopulmonary Dysplasia and Associated Risk Factors
%A Mar&#xed
%A a Ximena Rojas
%A Mario Augusto Rojas
%A Juan Manuel Lozano
%A Mart&#xed
%A n Alonso Rond&#xf3
%A n
%J ISRN Pediatrics
%D 2012
%I Hindawi Publishing Corporation
%R 10.5402/2012/685151
%U http://dx.doi.org/10.5402/2012/685151