Cite
MLA Citation
Zheng Jin et al.. “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, vol. 9, no. 6, 2019, p. . http://access.bl.uk/ark:/81055/vdc_100135159540.0x000009