没用??? The points of the article came from Jama's two studies
御用文人
2013-07-05 21:32:45
( reads)
(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
(2)Schabath MB, Hernandez LM, Wu X, Pillow PC, Spitz MR. Dietary hytoestrogens and lung cancer risk. JAMA. 2005;294:1493-1504
TBz
2013-07-05 21:50:11误解了，我不是说这个方法没有效果，而是说吸烟者恐怕不会采纳