PT - JOURNAL ARTICLE AU - Yen, Peggy AU - Baerlocher, Mark O. TI - Imaging in urolithiasis AID - 10.1503/cmaj.101638 DP - 2011 Jan 01 TA - Canadian Medical Association Journal PG - cmaj.101638 4099 - http://www.cmaj.ca/content/early/2011/08/22/cmaj.101638.short 4100 - http://www.cmaj.ca/content/early/2011/08/22/cmaj.101638.full