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.
Damen JE, Spearman MA, Greenberg AH, Wright JA.Damen JE, et al. Among authors: spearman ma.J Cancer Res Clin Oncol. 1991;117(4):305-12. doi: 10.1007/BF01630712.J Cancer Res Clin Oncol. 1991.PMID: 2066350
Spearman M, Taylor WR, Greenberg AH, Wright JA.Spearman M, et al.Gene. 1994 Nov 4;149(1):25-9. doi: 10.1016/0378-1119(94)90408-1.Gene. 1994.PMID: 7958985