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.
Schroer JA, Timmerman RJ.Schroer JA, et al. Among authors: timmerman rj.J Ky Med Assoc. 1974 Aug;72(8):409-12.J Ky Med Assoc. 1974.PMID: 4844534No abstract available.
Zaaijer HL, Kok M, Lelie PN, Timmerman RJ, Chau K, van der Pal HJ.Zaaijer HL, et al. Among authors: timmerman rj.Lancet. 1993 Mar 27;341(8848):826. doi: 10.1016/0140-6736(93)90599-c.Lancet. 1993.PMID: 8096022No abstract available.