Commentary: How Old Is Too old?

DeRoo, S; Takayama, H

Takayama, H (corresponding author), Columbia Univ, Div Cardiothorac Surg, Dept Surg, Med Ctr, 177 Ft Washington Ave,Milstein Hosp Bldg,7GN-435, New York, NY 10032 USA.

SEMINARS IN THORACIC AND CARDIOVASCULAR SURGERY, 2020; 32 (4): 653