Higher C-reactive protein and soluble tumor necrosis factor receptor levels are associated with poor physical function and disability: a cross-sectional analysis of a cohort of late middle-aged African Americans. - Haren MT; Malmstrom TK; Miller DK; Patrick P; Perry HM 3rd; Herning MM; Banks WA; Morley JE; Haren, Matthew T; Malmstrom, Theodore K; Miller, Douglas K; Patrick, Ping; et al. (Journals of Gerontology Series A: Biological Sciences & Medical Sciences, 2010)