Washington Supreme Court December 14, 1995, 61935-2 (Reese v. Stroh)

*302Madsen, J.

— William and Frances Reese brought this medical malpractice action against Dr. James E. Stroh, Jr., alleging that he negligently failed to treat Mr. Reese’s emphysema with a protein replacement therapy called Prolastin. The trial court excluded the Reeses’ expert medical witness’ opinion testimony regarding causation as lacking sufficient foundation to go to the jury.