Gu, Qiuping.
Hyattsville, MD : U.S. Dept. of Health and Human Services, Centers for Disease Control and Prevention, National Center for Health Statistics, [2010]
2010
United States. Congress. House. Committee on Energy and Commerce. Subcommittee on Oversight and Investigations.
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2007.
2007