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.
Lahti JM, Chen CL, Tjoelker LW, Pickel JM, Schat KA, Calnek BW, Thompson CB, Cooper MD.Lahti JM, et al. Among authors: schat ka.Proc Natl Acad Sci U S A. 1991 Dec 1;88(23):10956-60. doi: 10.1073/pnas.88.23.10956.Proc Natl Acad Sci U S A. 1991.PMID: 1720556Free PMC article.
Calnek BW, Schat KA, Shek WR, Chen CL.Calnek BW, et al. Among authors: schat ka.J Natl Cancer Inst. 1982 Sep;69(3):709-13.J Natl Cancer Inst. 1982.PMID: 6287084