Lash v. Workmen's Compensation Appeal Board , 491 Pa. 294 ( 1980 )
Kachinski v. Workmen's Compensation Appeal Board , 516 Pa. 240 ( 1987 )
Luciani v. WCAB (BROCKWAY G. CO.) , 103 Pa. Commw. 623 ( 1987 )
Unora v. Glen Alden Coal Co. , 377 Pa. 7 ( 1954 )