Falk V, Fann JI, Grünenfelder J, Burdon TA. Endoscopic Doppler for Detecting Vessels in Closed Chest Bypass Grafting. HSF [Internet]. 2000Dec.1 [cited 2024Aug.25];3(4):E331-E333. Available from: https://journal.hsforum.com/index.php/HSF/article/view/6511