Predicting the likelihood of a persistent bile duct stone in patients with suspected choledocholithiasis: Accuracy of existing guidelines and the impact of laboratory trends

Megan A. Adams, Amy E. Hosmer, Erik J. Wamsteker, Michelle A. Anderson, Grace H. Elta, Nisa M. Kubiliun, Richard S. Kwon, Cyrus R. Piraka, James M. Scheiman, Akbar K. Waljee, Hero K. Hussain, B. Joseph Elmunzer