Periodontal conditions in rheumatoid arthritis : A clinical and roentgenological investigation : 2. The study in rheumatoids : Based on a hospital material
Periodontal conditions in rheumatoid arthritis : A clinical and roentgenological investigation : 1. The control study on non-rheumatoids
Periodontal conditions in rheumatoid arthritis : A clinical and roentgenological investigation : 2. The study in rheumatoids : Based on a hospital material
Periodontal conditions in rheumatoid arthritis : A clinical and roentgenological investigation : 2. The study in rheumatoids : Based on a hospital material
Periodontal conditions in rheumatoid arthritis : A clinical and roentgenological investigation : 2. The study in rheumatoids : Based on a hospital material