combined right and transseptal left heart catheterization for congenital anomalies through existing septal opening
combined right and transseptal left heart catheterization for congenital anomalies through existing septal opening
combined right and transseptal left heart catheterization for congenital anomalies through existing septal opening (procedure)
combined right and transseptal left heart catheterization for congenital anomalies through existing septal opening (procedure)