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.
Piszkiewicz D, Tilley BE, Rand-Meir T, Parsons SM.Piszkiewicz D, et al.Proc Natl Acad Sci U S A. 1979 Apr;76(4):1589-92. doi: 10.1073/pnas.76.4.1589.Proc Natl Acad Sci U S A. 1979.PMID: 377278Free PMC article.
Moon K, Piszkiewicz D, Smith EL.Moon K, et al. Among authors: piszkiewicz d.Proc Natl Acad Sci U S A. 1972 Jun;69(6):1380-3. doi: 10.1073/pnas.69.6.1380.Proc Natl Acad Sci U S A. 1972.PMID: 4504346Free PMC article.
Smith EL, Landon M, Piszkiewicz D, Brattin WJ, Langley TJ, Melamed MD.Smith EL, et al. Among authors: piszkiewicz d.Proc Natl Acad Sci U S A. 1970 Oct;67(2):724-30. doi: 10.1073/pnas.67.2.724.Proc Natl Acad Sci U S A. 1970.PMID: 5289018Free PMC article.
Grimes CJ, Piszkiewicz D, Fleischer EB.Grimes CJ, et al. Among authors: piszkiewicz d.Proc Natl Acad Sci U S A. 1974 Apr;71(4):1408-12. doi: 10.1073/pnas.71.4.1408.Proc Natl Acad Sci U S A. 1974.PMID: 4364536Free PMC article.