Somerset Welding & Steel v. Workmen's Compensation Appeal Board , 168 Pa. Commw. 78 ( 1994 )
Murphy v. Workmen's Compensation Appeal Board , 146 Pa. Commw. 366 ( 1992 )
General Elec. v. WCAB (VALSAMAKI) , 140 Pa. Commw. 461 ( 1991 )