The Supreme Court of Pennsylvania held that a claimant need not supply expert medical evidence to establish that a work-related injury continues; instead, once a claimant testifies that a work-related injury continues, the burden of proof shifts to the employer to prove the contrary.
Latta v. Workmen's Compensation Appeal Board (Latrobe Die Casting Co.), 642 A.2d 1083 (Pa. 1994).
Eric L. Bradley,
Workers' Compensation - Suspension Status to Reinstatement of Disability Benefits - Claimant's Burden of Proof,
Duq. L. Rev.
Available at: https://dsc.duq.edu/dlr/vol33/iss3/11