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European Journal of Cardio-Thoracic Surgery > 2000 > 17 > 6 > 754-756
European Journal of Cardio-Thoracic Surgery > 1999 > 16 > 2 > 194-199
European Journal of Cardio-Thoracic Surgery > 2000 > 17 > 6 > 754-756
European Journal of Cardio-Thoracic Surgery > 1999 > 16 > 2 > 194-199