An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Cao L, Liu C, Cai B, Jia X, Kang L, Speer CP, Sun B.Cao L, et al. Among authors: speer cp.Biol Neonate. 2004;86(2):116-23. doi: 10.1159/000078940. Epub 2004 Jun 11.Biol Neonate. 2004.PMID: 15205540
Thomas W, Seidenspinner S, Kawczyńska-Leda N, Chmielnicka-Kopaczyk M, Marx A, Wirbelauer J, Szymankiewicz M, Speer CP.Thomas W, et al. Among authors: speer cp.Neonatology. 2010;97(3):228-34. doi: 10.1159/000253152. Epub 2009 Oct 29.Neonatology. 2010.PMID: 19887851