Fig. 4From: Expression of calcitonin gene-related peptide in the infrapatellar fat pad in knee osteoarthritis patientsRelationship between CGRP and COX-2 mRNA expression level and K/L grade. a CGRP and b COX-2 mRNA expression in the infrapatellar fat pad of knee OA patients. All data are presented as the mean ± standard errorBack to article page