Cunningham v. Workmen's Compensation Appeal Board , 156 Pa. Commw. 241 ( 1993 )
Pruitt v. Workers' Compensation Appeal Board , 1999 Pa. Commw. LEXIS 380 ( 1999 )
Winkelmann v. Workmen's Compensation Appeal Board , 166 Pa. Commw. 154 ( 1994 )