RT Journal Article SR Electronic T1 Metastatic squamous cell carcinoma causing right ventricular outflow tract obstruction JF BMJ Case Reports FD BMJ Publishing Group Ltd SP bcr2006091611 DO 10.1136/bcr.2006.091611 VO 2009 A1 R Gurvitch A1 B P Yan A1 A Aggarwal YR 2009 UL http://casereports.bmj.com/content/2009/bcr.2006.091611.abstract AB