The records of the National Health Examination Sur features of specimens of articular tissues, and these vey in 1984 indicate that about 32% of adults in the findings have been incorporated into the present work. United States suffered from musculoskeletal affec I am also very grateful to Prof. Dr. Waldemar Hort, tions. The National Arthritis Data Workshop reported Director Emeritus at the Institute of Pathology at the in 1985 that about 35 millions of Americans had ar University of Dusseldorf, and to Prof. Dr. Joseph thritis or related conditions. Wagenhaeuser 1700] sim Thurner, Director of...