Sporio v. Workmen's Compensation Appeal Board , 553 Pa. 44 ( 1998 )
USX Corp. v. Workers' Compensation Appeal Board , 727 A.2d 165 ( 1999 )
Cooper Power Systems v. Workers' Compensation Appeal Board , 722 A.2d 746 ( 1998 )
Nabisco v. Workmen's Compensation Appeal Board , 148 Pa. Commw. 343 ( 1992 )