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.
Celik O, Karakas HM, Hascalik S, Tagluk ME.Celik O, et al. Among authors: hascalik s.Fertil Steril. 2010 May 1;93(7):2383-4. doi: 10.1016/j.fertnstert.2009.05.027. Epub 2009 Jun 25.Fertil Steril. 2010.PMID: 19559413Free article.
Celik O, Ugras M, Hascalik S, Aydin NE, Abbasov T.Celik O, et al. Among authors: hascalik s.Eur J Contracept Reprod Health Care. 2009 Dec;14(6):437-43. doi: 10.3109/13625180903318259.Eur J Contracept Reprod Health Care. 2009.PMID: 19929647
Celik O, Celik N, Hascalik S, Sahin I, Aydin S, Ozerol E.Celik O, et al. Among authors: hascalik s.Fertil Steril. 2011 Jan;95(1):314-6. doi: 10.1016/j.fertnstert.2010.08.058.Fertil Steril. 2011.PMID: 20883990Free article.Clinical Trial.