Wikibooks – Sonographie: HerzEchopediaESC – eLearning PlatformEchoVisumEchobasicsBritish Society of Echocardiography – Guidelines and ProtocolsTrans-ösophageal EchocardiographyEchocardiologyNorwegian University of Science and Technology – Strain rate imagingCanadian Society of Echocardiography – Echo& Stress CalculatorsFetal EchocardiographyGuide to Intraoperative TEE at the UWMCPIE Virtual TEE
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