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MLA Citation
Yasuo Nagafuchi et al.. “The power Doppler twinkling artefact associated with periarticular calcification induced by intra-articular corticosteroid injection in patients with rheumatoid arthritis.” Annals of the rheumatic diseases, vol. 72, no. 7, 2013, pp. 1267–1269. http://access.bl.uk/ark:/81055/vdc_100135572747.0x000062