1. Progressive systemic sclerosis (scleroderma);Rodnan,1979
2. Pulmonary scleroderma;Weaver;Dis Chest,1968
3. Survival with systemic sclerosis;Medsger;Ann Intern Med,1971
4. Survival in systemic sclerosis (scleroderma);Hochberg;Arthritis Rheum,1980
5. The lung in scleroderma;Weaver,1967