Fig. 1From: Diagnostic accuracy of a velcro sound detector (VECTOR) for interstitial lung disease in rheumatoid arthritis patients: the InSPIRAtE validation study (INterStitial pneumonia in rheumatoid ArThritis with an electronic device)All patients were auscultated bilaterally in 4 pulmonary fields at the dorsal level: 2 at the basal field, 1 at the middle field and 1 at the upper fieldBack to article page