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.
Langendijk P, van den Brand H, Soede NM, Kemp B.Langendijk P, et al. Among authors: kemp b.Theriogenology. 2000 Nov 1;54(8):1295-303. doi: 10.1016/s0093-691x(00)00436-2.Theriogenology. 2000.PMID: 11192188
Soede NM, Kemp B, van der Lende T.Soede NM, et al. Among authors: kemp b.Tijdschr Diergeneeskd. 1993 Aug 15;118(16):505-10.Tijdschr Diergeneeskd. 1993.PMID: 8367846Dutch.