CD8A and spondyloarthropathy: The number of citations for the top 10 cited papers ranges from 747 (“IL-23 induces spondyloarthropathy by acting on ROR-γt + CD3 + CD4-CD8-entheseal resident T cells”) to 285 (“Tendon to bone healing: differences in biomechanical, structural, and compositional properties due to a range of activity levels”).