Journal of the American College of Surgeons, 196, 32-7 Journal of the American College of Surgeons, 196(1), 32-37. Elsevier Science Journal of the American College of Surgeons, 196, 1, pp. 32-7
Journal of the American College of Surgeons, 194, 388-90 Journal of the american college of surgeons, 194(3):PII S1072-7515(01)01140-1, 388-390. ELSEVIER SCIENCE INC Journal of the American College of Surgeons, 194, 3, pp. 388-90