Fig. 2
Serum CA153 and KL-6 levels were measured in each RA group. Note: *q < 0.05, **q < 0.01, ***q < 0.001
Fig. 2 | BMC Pulmonary Medicine
Serum CA153 and KL-6 levels were measured in each RA group. Note: *q < 0.05, **q < 0.01, ***q < 0.001