Endoscopic jejunal biopsy with the Crosby capsule.Br Med J (Clin Res Ed) 1984; 288 doi: https://doi.org/10.1136/bmj.288.6434.1914-b (Published 23 June 1984) Cite this as: Br Med J (Clin Res Ed) 1984;288:1914
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