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.
Sander HJ, Kramer P, van Leeuwen EC, van Cappellen WA, Meijs-Roelofs HM, De Jong FH.Sander HJ, et al. Among authors: van leeuwen ec.J Endocrinol. 1991 Aug;130(2):297-303. doi: 10.1677/joe.0.1300297.J Endocrinol. 1991.PMID: 1919399
Meijs-Roelofs HM, van Cappellen WA, van Leeuwen EC, Kramer P.Meijs-Roelofs HM, et al. Among authors: van cappellen wa, van leeuwen ec.J Endocrinol. 1990 Feb;124(2):247-53. doi: 10.1677/joe.0.1240247.J Endocrinol. 1990.PMID: 2179455
van Cappellen WA, van Leeuwen EC, Meijs-Roelofs HM, Kramer P, Sander HJ, de Jong FH.van Cappellen WA, et al. Among authors: van leeuwen ec.J Endocrinol. 1995 Aug;146(2):323-30. doi: 10.1677/joe.0.1460323.J Endocrinol. 1995.PMID: 7561645
van Cappellen WA, Meijs-Roelofs HM, Kramer P, van Leeuwen EC, de Leeuw R, de Jong FH.van Cappellen WA, et al. Among authors: van leeuwen ec.J Endocrinol. 1995 Jan;144(1):39-47. doi: 10.1677/joe.0.1440039.J Endocrinol. 1995.PMID: 7891023
Uilenbroek JT, Kramer P, van Leeuwen EC, Karels B, Timmerman MA, de Jong FH, de Leeuw R.Uilenbroek JT, et al. Among authors: van leeuwen ec.J Endocrinol. 1996 Jul;150(1):85-92. doi: 10.1677/joe.0.1500085.J Endocrinol. 1996.PMID: 8708566