HARRISBURG, Pa. - An expert's testimony that "any exposure" to asbestos substantially contributes to mesothelioma irreparably conflicts with his testimony that mesothelioma is a dose-response disease, the Pennsylvania Supreme Court held May 23 in finding that a judge properly held a hearing on the testimony and then excluded it (Diana K. Betz, et al. v. Pneumo Abex LLC, successor-in-interest to Abex Corp., et al., No. 38 WAP 2010, Pa. Sup.). Subscribers may view the opinion available within the full update.