(1994) (Replication of Study 2 done by Dr. Charles W. Brown) (Original Study with Data)
In a replication of the above study, Dr. Yvonne YuRichko, DC, DABCN, tested 25 patients under the same conditions. The authentic Shield strengthened all 25 patients and the placebo shield strengthened no one. Dr. YuRichko is a Board Certified Chiropractic Neurologist, Diplomate: American Academy of Pain Management.