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Fig. 1 | Arthritis Research & Therapy

Fig. 1

From: High-frequency ultrasound of the skin in systemic sclerosis: an exploratory study to examine correlation with disease activity and to define the minimally detectable difference

Fig. 1

High-frequency ultrasound, 18-MHz echograms (vertical images) highlight the epidermis and dermis at the forearm in a healthy control and a patient with systemic sclerosis. The skin thickness was 1.3 mm (between the plus sign) in the control (a), and 2.0 mm (between the plus sign) in the patient (b)

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