Where an expert’s causation theory wasn’t supported by testing, peer review or medical literature, the U.S. District Court properly excluded witness testimony under the Daubert framework.The 7th U.S. Circuit Court of Appeals affirmed a decision by U.S. District Judge Larry J. McKinney, Southern District of Indiana.C.R. Bard Inc. manufactures the Composix Kugel Patch, a prescription medical device designed to …