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.
Guerry D 4th, Halpern AC.Guerry D 4th, et al. Among authors: halpern ac.J Gen Intern Med. 1992 Mar-Apr;7(2):253-4. doi: 10.1007/BF02598028.J Gen Intern Med. 1992.PMID: 1487778No abstract available.
Halpern AC, Guerry D 4th, Elder DE, Clark WH Jr, Synnestvedt M, Norman S, Ayerle R.Halpern AC, et al.Arch Dermatol. 1991 Jul;127(7):995-9.Arch Dermatol. 1991.PMID: 2064418
Clark WH Jr, Elder DE, Guerry D 4th, Braitman LE, Trock BJ, Schultz D, Synnestvedt M, Halpern AC.Clark WH Jr, et al. Among authors: halpern ac.J Natl Cancer Inst. 1989 Dec 20;81(24):1893-904. doi: 10.1093/jnci/81.24.1893.J Natl Cancer Inst. 1989.PMID: 2593166
Halpern AC, Guerry D 4th, Elder DE, Trock B, Synnestvedt M, Humphreys T.Halpern AC, et al.J Am Acad Dermatol. 1993 Jul;29(1):51-7. doi: 10.1016/0190-9622(93)70151-i.J Am Acad Dermatol. 1993.PMID: 8315078