title: Fifty years of cardiac catheterisation in the differential diagnosis of left ventricular outflow tract obstruction: the Brockenbrough, Braunwald sign.
authors.forename: Peter J
authors.initials: PJ
authors.lastname: Scott
authors.forename: Niall A
authors.initials: NA
authors.lastname: Herity
mesh_terms: D006328:Cardiac Catheterization / Q000379:methods*; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D008875:Middle Aged; D014694:Ventricular Outflow Obstruction / Q000175:diagnosis*