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.
Hake LE, Alcivar AA, Hecht NB.Hake LE, et al. Among authors: alcivar aa.Development. 1990 Sep;110(1):249-57. doi: 10.1242/dev.110.1.249.Development. 1990.PMID: 1964409
Alcivar AA, Hake LE, Mali P, Kaipia A, Parvinen M, Hecht NB.Alcivar AA, et al.Biol Reprod. 1989 Dec;41(6):1133-42. doi: 10.1095/biolreprod41.6.1133.Biol Reprod. 1989.PMID: 2624872