Wang, BJBJWangGuo, YLYLGuoGuo, HRHRGuoChang, HY.HY.Chang2011-02-142018-07-112011-02-142018-07-112008http://ntur.lib.ntu.edu.tw//handle/246246/226170en-USPiper Betle L. inflorescence contact causes allergic hand contact dermatitis during betel quid assembly.