I have never heard of Gostric treatment before, but I have now

A. A Grostic Upper Cervical Doctor is a Doctor of Chiropractic who has been certified in the Grostic Procedure as meeting a high standard of proficiency of care of the human spinal column. To receive this certification the doctor must attend post graduate seminars in Grostic Procedure, pass rigid tests and exhibit evidence that his/her work meets the high standards required