送交者: xj 于 2005-11-15, 12:08:27:
回答: 蔬菜豆类为主的中餐减低呼吸系统疾病 由 Latino2 于 2005-11-15, 11:38:16:
to elucidate the causal pathway.
Sometimes I am concerned about the merit of these studies. Nevertheless I am convinced that even common sense need to be tested because sometimes they could be wrong.