Chao, WYWYChaoHsu, CCCCHsuGuo, YLYLGuo2011-02-142018-07-112011-02-142018-07-111997http://ntur.lib.ntu.edu.tw//handle/246246/226129en-USIncreased prevalence of middle ear diseases in Yucheng children prenatally exposed to polychlorinated biphenyls and dibenzofurans.