AU - Mitka M TI - STudies probe self-referral for imaging PT - JOUR DP - 2012 TA - JAMA pages = {241-242}, VI - 307 IP - 3 AID - 10.1001/jama.2011.1973 [doi] 4100 - http://dx.doi.org/10.1001/jama.2011.1973 SO - JAMA January 18, 2012 307(3):241