| 1. | Due to the differences in iodine side effect , contraindication , crowd ' s sensitivity , iodine supplies , ect . , various countries have very big difference in plan and implementation of iodine prophylaxis 由于碘的副作用、禁忌证、人群的敏感性、碘缺乏地区与非缺乏地区的差异等原因,各国在碘预防的计划和实施上存在很大的差异。 |