Amoco Production Co. v. Hodel

How later courts describe this case

• noting that to defeat summary judgment, expert affidavits cannot involve "mere speculation or idiosyncratic opinion"
• substantial segment of scientific community relies on animal studies in assessing health risks in humans
• Testimony by experts as to causation lacked a sufficient foundation where the experts failed to take into account plaintiffs’ specific medical histories and habits; court also based its decision on the fact that the experts failed to rule out other possible causes.
• expert opinions cannot involve "mere speculation or idiosyncratic opinion”