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APA Citation
On, W., Lim, Y., Patani, O., & Kapoor, N. (n.d.). pTH-038 Diagnostic utility of further assessment with endoscopic ultrasound in patients with unexplained common bile duct obstruction with and without abnormal liver enzymes. Gut, 64, A422–A423. http://access.bl.uk/ark:/81055/vdc_100137789062.0x00004c