411 A.2d 877 County of Allegheny, Petitioner v. John Gallo, Respondent. Commonwealth Court of Pennsylvania.Argued December 3, 1979 February 29, 1980. Workmen’s compensation — Occupational disease — Burden of proof — The Pennsylvania Workmen’s Compensation Act, Act 1915, June 2, P.L. 736 — Substantially greater incidence of disease in particular occupation. 1. An employe seeking […]