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.
Turcotte RE, Kurt AM, Sim FH, Unni KK, McLeod RA.Turcotte RE, et al. Among authors: sim fh.Hum Pathol. 1993 Sep;24(9):944-9. doi: 10.1016/0046-8177(93)90107-r.Hum Pathol. 1993.PMID: 8253461
Nakajima H, Sim FH, Bond JR, Unni KK.Nakajima H, et al. Among authors: sim fh.Cancer. 1997 Jun 1;79(11):2095-106. doi: 10.1002/(sici)1097-0142(19970601)79:11<2095::aid-cncr6>3.0.co;2-o.Cancer. 1997.PMID: 9179055