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.
Heiskanen ML, Huhtinen M, Pirhonen A, Mäenpää PH.Heiskanen ML, et al.Acta Vet Scand. 1994;35(3):257-62. doi: 10.1186/BF03548330.Acta Vet Scand. 1994.PMID: 7847194Free PMC article.
Heiskanen ML, Huhtinen M, Pirhonen A, Mäenpää PH.Heiskanen ML, et al.Theriogenology. 1994 Nov 1;42(6):1043-51. doi: 10.1016/0093-691x(94)90126-4.Theriogenology. 1994.PMID: 16727608
Pirhonen A, Valtonen P, Linnala-Kankkunen A, Heiskanen ML, Mäenpää PH.Pirhonen A, et al. Among authors: heiskanen ml.Biochim Biophys Acta. 1990 Jun 19;1039(2):177-80. doi: 10.1016/0167-4838(90)90183-g.Biochim Biophys Acta. 1990.PMID: 2364093