1. Bone Health and Osteoporosis: a Report of the Surgeon General. Rockville, MD: U.S. Department of Health and Human Services,2004
2. U.S. Interim Projections by Age, Sex, Race, and Hispanic Origin. Washington (DC): U.S. Census Bureau, Population Division, Populations Projection Branch,2004
3. Implant Wear in Total Joint Replacement: Clinical and Biologic Issues, Material and Design Considerations;Wright,2001
4. Increased osteoblast functions among nanophase titania/poly(lactide‐
co
‐glycolide) composites of the highest nanometer surface roughness