RT Journal Article SR Electronic T1 Percutaneous Left Ventricular Puncture with Catheterization of the Aorta JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 97 OP 102 DO 10.1136/thx.13.2.97 VO 13 IS 2 A1 H. A. Fleming A1 E. W. Hancock A1 B. B. Milstein A1 D. N. Ross YR 1958 UL http://thorax.bmj.com/content/13/2/97.abstract AB