三聚氰胺的毒性到底有多大?是否还有其他帮凶?是否只有三鹿奶粉才是有问题的?这些都需要卫生部门做进一步调查。在调查结果出来之前,参考一下美国的做法也许是有帮助的。去年3月15日,美国食品和药品管 How serious is the toxicity of melamine? Is there any other accomplice? Is Sanlu milk powder the only problem? All of these require the health department to investigate further. Before the results of the survey come out, it may be helpful to refer to the United States. On March 15 last year, the United States Food and Drug Administration