1. Acute gouty arthritis without crystals identified on initial examination of synovial fluid. Report on nine patients;R, I.Schumacher H.; A, Jimenez S.; T, Gibson;Arthritis Rheumn,1975
2. Crystal deposition disease. Diagnosis by electron microscopy;Honig, S.; Weissmann, Gorevic P.Hoffstein S.; G.;Ain J Med,1977
3. Apatite deposition disease. A new arthropathy;A, Dieppe P.; C, Huskisson E.; P, Crocker; A, Willoughby D.;Lancet,1976
4. Arthritis associated with apatite crystals;R, Schumacher H.; L, Somlyo A.P.Tse R.; K, Maurer;Ann Intern Med,1976
5. Pathology of the synovial membrane in gout. Light and electron microscopic studies. Interpretation of crystals in electron micrographs;R, Schumacher H.;Arthritis Rheum,1982