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Special 50th Reprint
"Evaluation of a Clinic Education Program for Patients with Rheumatoid Arthritis" by Paul J. Vignos Jr., William T. Parker and Helen M. Thompson
Special 50th Reprint
"HLA B27 in Ankylosing Spondylitis: Differences in Frequency and Relative Risk in American Blacks and Caucasians" by M. A. Khan, W. E. Braun, I. Kushner, D. E. Grecek, W. Angus Muir and A. G. Steinberg
