Edgar Gibson v. Secretary of Health, Education and Welfare , 678 F.2d 653 ( 1982 )
James D. WEAVER, Plaintiff-Appellant, v. SECRETARY OF HEALTH AND HUMAN SERVICES, Defendant-Appellee , 722 F.2d 310 ( 1983 )
Kirk v. Secretary of Health and Human Services , 667 F.2d 524 ( 1981 )
Richardson v. Perales , 91 S. Ct. 1420 ( 1971 )