这一研究在周一的巴尔的摩儿科学术年会上发表。

The study was presented Monday at the Pediatric Academic Societies annual meeting, in Baltimore.

youdao

这一研究在周一的巴尔的摩儿科学术年会上发表。

The study was presented Monday at the Pediatric Academic Societies annual meeting, in Baltimore.

youdao