in generalized scleroderma , the elastic modulus of the cutaneous network of collagen and elastin is increased , not only in clinically affected skin , but also in clinically unaffected areas , whereas the mechanical quality factor and the viscous resistance ( mechanical impedance ) was unaltered in scleroderma compared with normal controls .
C0263664
generalized scleroderma
C0011644
scleroderma