Prostaglandin E2 and its cognate EP receptors control human adult articular cartilage homeostasis and are linked to the pathophysiology of osteoarthritis
Arthritis & Rheumatism (2009) - Comments
pubmed: 19180509  doi: 10.1002/art.24258  issn: 0004-3591  issn: 1529-0131 

Xin Li, Michael Ellman, Prasuna Muddasani, James H.-C. Wang, Gabriella Cs-Szabo, Andre J. Van Wijnen, Hee-Jeong Im