Bowen v. Yuckert , 107 S. Ct. 2287 ( 1987 )
Barnhart v. Thomas , 124 S. Ct. 376 ( 2003 )
Hung NGUYEN, Plaintiff, Appellant, v. Shirley S. CHATER, Defendant, Appellee , 172 F.3d 31 ( 1999 )
Richardson v. Perales , 91 S. Ct. 1420 ( 1971 )