Maybe you've already tried these, but if not, you could give them a go concurrent to getting those additional doctors' opinions:


8 Steps to a Pain-Free Back: Natural Posture Solutions for Pain in the Back, Neck, Shoulder, Hip, Knee, and Foot

5 * 228 reviews

http://www.amazon.com/Steps-Pain-Fre...8036716&sr=1-1



Healing Back Pain Naturally: The Mind-Body Program Proven to Work

5 * 68 reviews

http://www.amazon.com/Healing-Back-P...8036716&sr=1-2


I'm not vouching for these books personally. You'll want to read the descriptions and the reviews.