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.
Shibata A, Paganini-Hill A, Ross RK, Yu MC, Henderson BE.Shibata A, et al. Among authors: yu mc.Cancer Causes Control. 1992 May;3(3):207-14. doi: 10.1007/BF00124253.Cancer Causes Control. 1992.PMID: 1610967
Ning JP, Yu MC, Wang QS, Henderson BE.Ning JP, et al. Among authors: yu mc.J Natl Cancer Inst. 1990 Feb 21;82(4):291-6. doi: 10.1093/jnci/82.4.291.J Natl Cancer Inst. 1990.PMID: 2299678