TY - JOUR AU - Cortés, Ernesto AU - Rizo Baeza, M. AU - Palazón-Bru, Antonio AU - Aguilar Cordero, María José AU - Gil Guillén, Vicente Francisco PY - 2015 SN - 2045-2322 UR - http://hdl.handle.net/10481/36751 AB - We assessed the risk of preterm birth according to the mother’s place of origin in the context of a free and universal healthcare system. We analysed 75,292 newborn infants born between 2008-2011 in Alicante (Spain). The outcomes were: 1) very preterm... LA - eng PB - Nature Publishing Group KW - paediatric research KW - Preterm birth TI - Influence of immigration on prematurity in the context of a free healthcare system with universal coverage DO - 10.1038/srep10586 ER -