这份研究报告刊登在儿童杂志上，即美国儿童协会杂志。

The study appeared online this week in Pediatrics, the journal of the American Academy of Pediatrics.

youdao

这份研究报告刊登在儿童杂志上，即美国儿童协会杂志。

The study appeared online this week in Pediatrics, the journal of the American Academy of Pediatrics.

youdao