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.
Yordan EL, Jurado M, Kiel K, Reddy S, Kramer T, Calvo F, Roseman DL, Graham JE, Wilbanks GD.Yordan EL, et al.Baillieres Clin Obstet Gynaecol. 1988 Dec;2(4):1023-34. doi: 10.1016/s0950-3552(98)80029-1.Baillieres Clin Obstet Gynaecol. 1988.PMID: 3229050
Hogg ME, Popowich DA, Wang EC, Kiel KD, Stryker SJ, Halverson AL.Hogg ME, et al. Among authors: kiel kd.Dis Colon Rectum. 2009 May;52(5):891-7. doi: 10.1007/DCR.0b013e31819eefa6.Dis Colon Rectum. 2009.PMID: 19502853
Kiel KD, Suit HD.Kiel KD, et al.Cancer. 1984 Nov 15;54(10):2051-5. doi: 10.1002/1097-0142(19841115)54:10<2051::aid-cncr2820541002>3.0.co;2-2.Cancer. 1984.PMID: 6488135