Medical expulsive therapy versus early endoscopic stone removal for acute renal colic: an instrumental variable analysis.

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Published in J Urol on March 19, 2013

Authors

John M Hollingsworth1, Edward C Norton, Samuel R Kaufman, R Matt Smith, J Stuart Wolf, Brent K Hollenbeck

Author Affiliations

1: Department of Urology, University of Michigan Medical School, Ann Arbor, Michigan 48109-2800, USA. kinks@med.umich.edu

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