1. Mixed connective tissue disease-an apparently distinct rheumatic disease syndrome associated with a specific antibody to extractable nuclear antigen (ENA);C, Sharp G.; S, Irwin W.; M, Tan E.; G, Gould R.; R, Holman H.;Am J Med,1972
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5. Intra-articular calcification in scleroderma;Resnick, D.; F, Scavulli J.; G, Goergen T.; K, Genant H.; Niwayama, G.;Radiology,1977