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.
de Vos ES, Koning AHJ, Steegers-Theunissen RPM, Willemsen SP, van Rijn BB, Steegers EAP, Mulders AGMGJ.de Vos ES, et al. Among authors: willemsen sp.Hum Reprod. 2022 Oct 31;37(11):2532-2545. doi: 10.1093/humrep/deac202.Hum Reprod. 2022.PMID: 36125007Free PMC article.
de Man YA, Hazes JM, van der Heide H, Willemsen SP, de Groot CJ, Steegers EA, Dolhain RJ.de Man YA, et al. Among authors: willemsen sp.Arthritis Rheum. 2009 Nov;60(11):3196-206. doi: 10.1002/art.24914.Arthritis Rheum. 2009.PMID: 19877045Free article.
van den Hooven EH, Pierik FH, de Kluizenaar Y, Willemsen SP, Hofman A, van Ratingen SW, Zandveld PY, Mackenbach JP, Steegers EA, Miedema HM, Jaddoe VW.van den Hooven EH, et al. Among authors: willemsen sp.Environ Health Perspect. 2012 Jan;120(1):150-6. doi: 10.1289/ehp.1003316.Environ Health Perspect. 2012.PMID: 22222601Free PMC article.