海量图书期刊资源，随时随地畅享阅读乐趣
Diagnostic Accuracy of Electrocardiography and Thoracic Radiography in the Assessment of Left Atrial Size in Cats: Comparison with Transthoracic 2-Dimensional EchocardiographyKarsten E. Schober; Imke Maerz; Eberhard Ludewig; Joshua A. Stern · 2007