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Journal of Clinical Ultrasound : JCU|March 1, 1982
Prospective evaluation of the sonographic Murphy sign in suspected acute cholecystitisP W Ralls, J Halls, S A Lapin, et al.
Investigative Radiology|May 1, 1982
Predicting the cause of common bile duct obstruction with sonographic data: analysis of binary variablesM F Quinn, P W Ralls, W D Boswell, et al.
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