the chief clinical signs seen and their respective percentages were : raynaud 's syndrome ( 80 % ) , arthralgia ( 80 % ) , diffuse or localised alopoecia ( 60 % ) , muscular disease ( 40 % ) , swollen fingers ( 40 % ) , sclerodactylie ( 20 % ) , cutaneous sclerosis extending beyond the extremities ( 30 % ) , cutaneous signs of lupus erythematosus ( 30 % ) , renal involvement ( 10 % ) .
C3540840
clinical signs
C0003862
arthralgia