3. Oregon Osteoporosis Center - Portland, Oregon
The Oregon Osteoporosis Center, located in Portland, Oregon, provides clinical care and evaluation, clinical research programs, and educational activities with a primary focus on osteoporosis and related disorders.
http://www.oregonosteoporosis.com/

4. Primary Biliary Cirrhosis (PBC): Fatty Liver, Cirrhosis, and Related Disorders: Merck Manual Home...
Unlike primary sclerosing cholangitis, primary biliary cirrhosis affects only the bile ducts inside the liver. ) Metabolic bone disease (osteoporosis) develops in most people. In about 50% of people with primary biliary cirrhosis, the disorder is...
http://www.merck.com/mmhe/sec10/ch136/ch136d.html

5. CNN - Osteoporosis and men - June 18, 1999
Peris conducted one of the few studies done on the cause of osteoporosis in men and found that secondary osteoporosis was far more prevalent than primary (78 percent, as compared to 22 percent) Hypogonadism was the most frequent condition...
http://www.cnn.com/HEALTH/men/9906/18/osteo.men/index.html