clifton-sykes-sr-v-kenneth-s-apfel-commissioner-of-social-security , 228 F.3d 259 ( 2000 )
William D. Allen v. Joanne B. Barnhart, Commissioner of Social Security , 417 F.3d 396 ( 2005 )
Janice Newell v. Commissioner of Social Security , 347 F.3d 541 ( 2003 )
Wayne R. Hartranft v. Kenneth S. Apfel, Commissioner Social Security Administration , 181 F.3d 358 ( 1999 )
Richardson v. Perales , 91 S. Ct. 1420 ( 1971 )