(Q67534839)
Statements
Percutaneous closure of a secundum atrial septal defect and double balloon valvotomies of a severe mitral and aortic valve stenosis in a patient with Lutembacher's syndrome and severe pulmonary hypertension (English)
C. E. Ruiz
H. Gamra
P. Mahrer
J. W. Allen
M. P. O'Laughlin