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APA Citation
Lu, M., Yan, B., Song, J., Ping, W., Yue, L., & Song, B. (2014). double–Contrast‐Enhanced Sonography for Diagnosis of Rectal Lesions With Pathologic Correlation. Journal of ultrasound in medicine, 33, 575–583. http://access.bl.uk/ark:/81055/vdc_100044905017.0x000002