T. Willard

Percutaneous device closure of atrial septal defect results in very early and sustained changes of right and left heart function.

O. Monfredi, V. Mahadevan, B. Clarke, 2013, International journal of cardiology.

Acucise endopyelotomy: a successful therapeutic intervention in the treatment of ureteropelvic junction obstruction.

C. Carson, T. Willard, R. Krishnan, 1998, Techniques in urology.