404. That’s an error.

The requested URL /translate_c?depth=1&hl=ja&prev=search&rurl=translate.google.co.jp&sl=en&sp=nmt4&u=https://www.nejm.org/doi/10.1056/NEJMc2004973&usg=ALkJrhgOjP9eI94Fht8U35CuUxlldjv_8w was not found on this server. That’s all we know.