%0 Journal Article %A Daniel D. Schrader %T In reply: Prosthetic Ball Free in the Left Ventricle in a Patient with an Aortic Starr-edwards Prosthesis %D 1988 %J Cleveland Clinic Journal of Medicine %P 565-565 %V 55 %N 6 %U https://www.ccjm.org/content/ccjom/55/6/565.3.full.pdf