The Annals of Thoracic Surgery
The Annals of Thoracic Surgery > 1997 > 63 > 1 > 230-232
The Annals of Thoracic Surgery > 1997 > 64 > 1 > 199-202
The Annals of Thoracic Surgery > 1997 > 63 > 1 > 230-232
The Annals of Thoracic Surgery > 1997 > 64 > 1 > 199-202