SCINCE its introduction by Daniels 1 in 1949 the technic of prescalene-lymph-node biopsy has gained favor as a means of studying intrathoracic disease. The simplicity of the method has permitted its ...

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KINKING of the descending arch of the aorta is a condition that may cause serious difficulty in the interpretation of the routine posteroanterior chest film and lead to unnecessary exploratory ...