Baier, M [Involvement of internal organs in chronic progressive rheumatoid arthritis]. [electronic resource] - Deutsche medizinische Wochenschrift (1946) Dec 1969 - 2644-5 p. digital Publication Type: Journal Article ISSN: 0012-0472 Standard No.: 10.1055/s-0028-1110498 doi Subjects--Topical Terms: Arthritis, Rheumatoid--complicationsHumans