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Book reviews together within one cover a very wide range of ideas and concepts in the investi- gation of rheumatic diseases.It will be a useful starting point for those wishing to probe restricted aspects of these diseases in more depth.However, most articles in themselves do not give sufficient informa- tion to allow critical evaluation of the results which are given.Inevitably, a book of this type rapidly becomes out of date, and one cannot avoid commenting on the delay in publication of these proceedings.Over two years elapsed between the meet- ing and publication, and although the cover flap says that the contributions have been written and revised so as to ensure the book is up to date, the extremely sparse scattering of 1975 references qualifies one's interpretation of this statement.It is useful to compare this publication with that of the 2nd World Congress in Immunology, which was held in August
G. Feinberg (Sat,) studied this question.