A classification may be either artificial or natural. The first serves some immediate practical purpose. Thus I could classify rheumatic diseases by arrangi1ig them in alphabetical order, which might be useful for indexing and reference. But it is clear that in any artificial classification the things grouped together are likely to have very few properties in common; diseases whose names begin ...

Although considerable attention has been paid to the prevalence of rheumatic diseases in the community, relatively little work has been done on the occupational and environmental factors that may contribute to rheumatic complaints or which may aggravate those that already exist. The Industrial Survey Unit has been sponsored by the Arthritis and Rheumatism Council to study these factors and, in ...

HISTORICAL A survey of rheumatic diseases was made by the Swedish Government at the beginning of this century, and the situation was found, as had been expected, to be that this group of diseases was involving the country in great expense, and that treatment facilities were non-existent for a large proportion of cases. In Sweden the large majority of workers are insured, and become eligible for...