Genetic variation near the gene encoding the COX2 enzyme is significantly associated with risk of knee OA in five independent cohorts
Published in 2008 by
Ana M. Valdes,
J. Loughlin,
J. Van Meurs,
R. J. Lories,
L. Southam,
M. Doherty,
R. J. Egli,
D. Ge,
F. Zhang,
Scott Wilson 
,
M. Doherty,
Timothy D. Spector
,
M. Doherty,
Timothy D. Spector
