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.
Bouwman II, Kollen BJ, van der Meer K, Nijman RJ, van der Heide WK.Bouwman II, et al. Among authors: kollen bj.BMC Fam Pract. 2014 Jan 14;15:9. doi: 10.1186/1471-2296-15-9.BMC Fam Pract. 2014.PMID: 24422708Free PMC article.
Panman CM, Wiegersma M, Talsma MN, Kollen BJ, Berger MY, Lisman-Van Leeuwen Y, Dekker JH.Panman CM, et al. Among authors: kollen bj.Br J Gen Pract. 2014 Mar;64(620):e144-50. doi: 10.3399/bjgp14X677518.Br J Gen Pract. 2014.PMID: 24567653Free PMC article.
Wiegersma M, Panman CM, Kollen BJ, Berger MY, Lisman-Van Leeuwen Y, Dekker JH.Wiegersma M, et al. Among authors: kollen bj.BMJ. 2014 Dec 22;349:g7378. doi: 10.1136/bmj.g7378.BMJ. 2014.PMID: 25533442Free PMC article.Clinical Trial.
Visser E, de Bock GH, Messelink EJ, Schram AJ, Kollen BJ, la Bastide-van Gemert S, van den Heuvel ER, Berger MY, Dekker JH.Visser E, et al. Among authors: kollen bj.Maturitas. 2015 Feb;80(2):212-9. doi: 10.1016/j.maturitas.2014.11.015. Epub 2014 Dec 2.Maturitas. 2015.PMID: 25534171Clinical Trial.
Panman CM, Wiegersma M, Kollen BJ, Berger MY, Lisman-van Leeuwen Y, Vermeulen KM, Dekker JH.Panman CM, et al. Among authors: kollen bj.Menopause. 2016 Dec;23(12):1307-1318. doi: 10.1097/GME.0000000000000706.Menopause. 2016.PMID: 27504918Clinical Trial.
Wiegersma M, Panman CM, Berger MY, De Vet HC, Kollen BJ, Dekker JH.Wiegersma M, et al. Among authors: kollen bj.Am J Obstet Gynecol. 2017 Apr;216(4):397.e1-397.e7. doi: 10.1016/j.ajog.2016.10.010. Epub 2016 Oct 15.Am J Obstet Gynecol. 2017.PMID: 27751796