注：本新闻来源于《英国医学杂志》的新闻发布机构。

Note: This story has been adapted from a news release issued by BMJ-British Medical Journal.

youdao

注：本新闻来源于《英国医学杂志》的新闻发布机构。

Note: This story has been adapted from a news release issued by BMJ-British Medical Journal.

youdao