没用??? The points of the article came from Jama's two studies

来源: 于 2013-07-05 21:32:45 [旧帖] [给我悄悄话] 本文已被阅读：次
(1)Godtfredsen NS, Prescott E, Osler M. Effect of smoking reduction on lung cancer risk. JAMA 2005;294:1493-1504

(2)Schabath MB, Hernandez LM, Wu X, Pillow PC, Spitz MR. Dietary hytoestrogens and lung cancer risk. JAMA. 2005;294:1493-1504