Hawkins v. Workmen's Compensation Appeal Board , 138 Pa. Commw. 180 ( 1991 )
Kasper v. Workers' Compensation Appeal Board , 2001 Pa. Commw. LEXIS 173 ( 2001 )
Ludwikowski v. Workers' Compensation Appeal Board , 2006 Pa. Commw. LEXIS 553 ( 2006 )