The Annals of Thoracic Surgery
The Annals of Thoracic Surgery > 1997 > 64 > 1 > 251-253
The Annals of Thoracic Surgery > 1997 > 64 > 4 > 1181-1182
The Annals of Thoracic Surgery > 1997 > 64 > 1 > 251-253
The Annals of Thoracic Surgery > 1997 > 64 > 4 > 1181-1182