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.
Hanna N, Ahmed K, Anwar M, Petrova A, Hiatt M, Hegyi T.Hanna N, et al. Among authors: petrova a.Arch Dis Child Fetal Neonatal Ed. 2004 Nov;89(6):F518-20. doi: 10.1136/adc.2004.049247.Arch Dis Child Fetal Neonatal Ed. 2004.PMID: 15499145Free PMC article.
Petrova A, Mehta R, Anwar M, Hiatt M, Hegyi T.Petrova A, et al.J Perinatol. 2003 Jul-Aug;23(5):404-8. doi: 10.1038/sj.jp.7210934.J Perinatol. 2003.PMID: 12847537
Petrova A, Mehta R, Birchwood G, Ostfeld B, Hegyi T.Petrova A, et al.BMC Pediatr. 2006 Mar 6;6:6. doi: 10.1186/1471-2431-6-6.BMC Pediatr. 2006.PMID: 16519797Free PMC article.