AU - Voelker R TI - Colonoscopy: Prime time for primary care? PT - JOUR DP - 2009 TA - JAMA pages = {921-922}, VI - 301 IP - 9 AID - 10.1001/jama.2009.238 [doi] 4100 - http://dx.doi.org/10.1001/jama.2009.238 SO - JAMA March 4, 2009 301(9):921