PLoS ONE · 2015 · 20 citations · 30 references
Colic pain in patients with ureter calculi was one of the significant predicting factors including MSL and MSD for one-session stone-free status of SWL.
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Matching Using Estimated Propensity Scores: Relating Theory to Practice
Donald B. Rubin, Neal Thomas · Biometrics · 1996 · 1.1K citations