A. Calin

Prevalence of ankylosing spondylitis and radiological abnormalities of the sacroiliac joints in HLA-B27 positive individuals.

F. Christiansen, P. Cheah, J. Gofton, 1981, The Journal of rheumatology.

Observer variation in grading sacroiliac radiographs in HLA-B27 positive individuals.

P. Cheah, P. Hollingsworth, R. Dawkins, 1983, The Journal of rheumatology.

The Prevalence and Nature of Back Pain in an Industrial Complex: A Questionnaire and Radiographic and HLA Analysis

M. Chan, A. Calin, B. Kaye, 1980, Spine.

High risk of sacroiliitis in HLA--B27-positive Pima Indian men.

P. Bennett, W. Knowler, D. Mann, 1982, Arthritis and rheumatism.

HLA B27 and sacroiliitis in Pima Indians--association in males only.

P. Bennett, P. Terasaki, A. Calin, 1977, The Journal of rheumatology. Supplement.

Lessons from an international survey of paper cases of 10 real patients from an early arthritis clinic. CRI (Club Rhumatismes et Inflammation) Group.

F. Wolfe, B. Harrison, C. Zerbini, 2001, The Journal of rheumatology.