(Q73101147)
Statements
A disease severity scale for systemic sclerosis: development and testing (English)
Medsger TA Jr
Silman AJ
Steen VD
Black CM
Akesson A
Bacon PA
Harris CA
Jayson MI
Jimenez SA
Krieg T
Leroy EC
Maddison PJ
Russell ML
Schachter RK
Wollheim FA
1 October 1999