Christmann V, Visser R, Engelkes M, de Grauw A M, van Goudoever J B, van Heijst A F J
Department of Pediatrics, Subdivision of Neonatology, Radboud University Nijmegen Medical Center, Nijmegen, The Netherlands.
Acta Paediatr. 2013 Dec;102(12):e530. doi: 10.1111/apa.12302. Epub 2013 Jun 10.