Endoscopic ultrasound-guided vs endoscopic retrograde cholangiopancreatography-guided biliary drainage as primary approach to malignant distal biliary obstruction: a systematic review and meta-analysis of randomized controlled trials - Gopakumar, H; Singh, R R; Revanur, V; Kandula, R; Puli, S R (Am J Gastroenterol, 2024)