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.
van Grunsven P, Schermer T, Akkermans R, Albers M, van den Boom G, van Schayck O, van Herwaarden C, van Weel C.van Grunsven P, et al. Among authors: schermer t.Respir Med. 2003 Dec;97(12):1303-12. doi: 10.1016/j.rmed.2003.08.001.Respir Med. 2003.PMID: 14682412Free article.Clinical Trial.
van den Nieuwenhof L, Schermer T, Heijdra Y, Bottema B, Akkermans R, Folgering H, van Weel C.van den Nieuwenhof L, et al. Among authors: schermer t.Eur Respir J. 2008 Jul;32(1):70-6. doi: 10.1183/09031936.00088007. Epub 2008 Apr 2.Eur Respir J. 2008.PMID: 18385177Free article.
Schermer T, van Weel C, Barten F, Buffels J, Chavannes N, Kardas P, Østrem A, Schneider A, Yaman H.Schermer T, et al.Qual Prim Care. 2008;16(5):363-77.Qual Prim Care. 2008.PMID: 18973718