Cite
APA Citation
Jin, Z., Wei, Y., Lin, H., Huang, H., Lv, W., & Zhang, X. (2019). endoscopic ultrasound versus endoscopic retrograde cholangiopancreatography-guided biliary drainage for primary decompression of malignant biliary obstruction: protocol for a systematic review and meta-analysis of randomised controlled trials. BMJ open, 9(6), . http://access.bl.uk/ark:/81055/vdc_100135159540.0x000009