The population of subjects will mainly be taken from the digestive or rheumatoid departments of internal medicine in university or general hospitals, where patients with Crohn's Disease and Ankylosing Spondylitis are generally treated. The period of surveillance is from 23 AUG 2005 to 22 AUG 2011.
Read more: http://www.clinicaltrials.gov/ct2/show/NCT00724529?cond=%22Arthritis%22&lup_s=07/14/2011&lup_d=30
