However LT is a toxicoid with the same as CT,which is the main disadvantage of LT as immunoadjuvant.

但是LT和CT一样本身具有毒性,这是其作为黏膜主要缺。

The melamine is truly one kind can the pathogenesis chemistry supplement, but this was not equal to after all said it is one toxicoid.

三聚氰是一种能够致病化学添加物，但这毕竟不等于说它本身就是一种有毒化学物质。