Tourtier, Jean P In flight auscultation: comparison of electronic and conventional stethoscopes. [electronic resource] - The American journal of emergency medicine Oct 2011 - 932-5 p. digital Publication Type: Comparative Study; Journal Article; Randomized Controlled Trial ISSN: 1532-8171 Standard No.: 10.1016/j.ajem.2010.04.002 doi Subjects--Topical Terms: AdultAir AmbulancesDouble-Blind MethodFemaleHeart Auscultation--instrumentationHumansMaleNoise, TransportationPatient TransferStethoscopes