M. Saltyshev

Relationship of rheumatoid factor to lung diffusion capacity in smoking and non-smoking patients with rheumatoid arthritis.

H. Huhtala, M. Hakala, R. Luukkainen, 1995, Scandinavian journal of rheumatology.

Relationship between clinically detected joint swelling and effusion diagnosed by ultrasonography in metatarsophalangeal and talocrural joints in patients with rheumatoid arthritis.

H. Huhtala, J. Koski, R. Luukkainen, 2003, Clinical and experimental rheumatology.

Relationship between clinically detected joint swelling and effusion diagnosed by ultrasonography in elbow joints in patients with rheumatoid arthritis

H. Huhtala, J. Koski, R. Luukkainen, 2005, Clinical Rheumatology.