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Delgado-Alfonso A, Pérez-Bey A, Conde-Caveda J, Izquierdo-Gómez R, Esteban-Cornejo I, Gómez-Martínez S, Marcos A, Castro-Piñero J; UP&DOWN Study Group..Delgado-Alfonso A, et al.Pediatr Res. 2018 Nov;84(5):704-712. doi: 10.1038/s41390-018-0150-5. Epub 2018 Aug 15.Pediatr Res. 2018.PMID: 30166642
Izquierdo-Gomez R, Martínez-Gómez D, Acha A, Veiga OL, Villagra A, Diaz-Cueto M; UP&DOWN study group.Izquierdo-Gomez R, et al.Res Dev Disabil. 2014 Feb;35(2):482-9. doi: 10.1016/j.ridd.2013.11.026. Epub 2013 Dec 25.Res Dev Disabil. 2014.PMID: 24374601
Izquierdo-Gomez R, Martínez-Gómez D, Villagra A, Fernhall B, Veiga OL; on behalf of the UP&DOWN study group.Izquierdo-Gomez R, et al.Res Dev Disabil. 2015 Jan;36C:428-436. doi: 10.1016/j.ridd.2014.10.022. Epub 2014 Nov 8.Res Dev Disabil. 2015.PMID: 25462503