Fig. 1
Flow chart of the study population. DIP, distal interphalangeal; OA, osteoarthritis; SCQM, Swiss Clinical Quality Management in Rheumatic Diseases
Fig. 1 | Arthritis Research & Therapy
Flow chart of the study population. DIP, distal interphalangeal; OA, osteoarthritis; SCQM, Swiss Clinical Quality Management in Rheumatic Diseases