The Annals of Thoracic Surgery
The Annals of Thoracic Surgery > 1997 > 63 > 4 > 1152-1155
The Annals of Thoracic Surgery > 1997 > 64 > 4 > 1146-1149
The Annals of Thoracic Surgery > 1998 > 65 > 2 > 566-568
The Annals of Thoracic Surgery > 1998 > 65 > 2 > 550-551