作者: E. Robert Greenberg , John A. Baron , Tor D. Tosteson , Daniel H. Freeman , Gerald J. Beck
DOI: 10.1056/NEJM199407213310301
关键词: Medicine 、 Regimen 、 Colorectal adenoma 、 Adenoma 、 Carotene 、 Gastroenterology 、 Ascorbic acid 、 Randomized controlled trial 、 Vitamin E 、 Lower risk 、 Surgery 、 Internal medicine 、 General Medicine
摘要: … In 1984, we began a large clinical trial of the effects of beta carotene and the combination of … according to the size of the largest adenoma in each patient, using the Kruskal-Wallis test …