Louis L. YOUNG, Plaintiff-Appellant, v. Margaret M. HECKLER, Secretary of Health and Human Services, Defendant-Appellee , 803 F.2d 963 ( 1986 )
Richardson v. Perales , 91 S. Ct. 1420 ( 1971 )
Pierce v. Underwood , 108 S. Ct. 2541 ( 1988 )