TI - PSeudomonas aeruginosa respiratory tract infections associated with contaminated ultrasound gel used for transesophageal echocardiography—michigan, december 2011–january 2012 PT - JOUR DP - 2012 TA - JAMA pages = {2248-2250}, VI - 307 IP - 21 AID - [doi] 4100 - http://dx.doi.org/ SO - JAMA June 6, 2012 307(21):2248