531 A.2d 552 Dorothy Celio, Petitioner v. Workmen’s Compensation Appeal Board (Canonsburg General Hospital and Liberty Mutual Insurance Company), Respondents. Commonwealth Court of Pennsylvania.Argued May 22, 1987. September 21, 1987. Workers’ compensation — Burden of proof — Availability of work — Continued disability — Refusal to permit return to work — Tuberculosis. 1. An employer […]