PEG 3350 (Transipeg) versus lactulose in the treatment of ... | 食品添加物合法業者資訊網

然而，没有大型的随机对照试验存在的评价，无论是通便的功效。目的：比较小儿便秘的果糖和聚乙二醇3350（Transipeg：电解质与聚乙烯乙二醇）评价临床疗效/副作用。

Perform simple searches, like the ones you use in Google. A single term for a condition and another for an intervention may suffice.

For instance,

There is no real need of using a taxonomy, or boolean terms, such as AND or OR (they work, but are rarely needed. If you are really fond of this kind of search strategies, you can use our advanced search).

You can search in your own language or in English. You can even combine terms from different languages.