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.
Jaatinen TA, Matinlauri I, Anttila L, Koskinen P, Erkkola R, Irjala K.Jaatinen TA, et al. Among authors: erkkola r.Fertil Steril. 1995 May;63(5):1000-4.Fertil Steril. 1995.PMID: 7720907Free article.
Jaatinen TA, Anttila L, Erkkola R, Koskinen P, Laippala P, Ruutiainen K, Scheinin M, Irjala K.Jaatinen TA, et al. Among authors: erkkola r.Fertil Steril. 1993 Aug;60(2):262-7.Fertil Steril. 1993.PMID: 8339821Free article.
Penttilä TA, Anttila L, Törmä A, Koskinen P, Erkkola R, Irjala K.Penttilä TA, et al. Among authors: erkkola r.Fertil Steril. 1996 Jan;65(1):55-60. doi: 10.1016/s0015-0282(16)58027-3.Fertil Steril. 1996.PMID: 8557155Free article.