404. That’s an error.

The requested URL /translate_c?depth=2&hl=nl&rurl=translate.google.com&sl=auto&sp=nmt4&tl=nl&u=https://www.ncbi.nlm.nih.gov/pubmed/21234860&usg=ALkJrhgQzUa2FJBt_qImB_2GX_36hd3lIw was not found on this server. That’s all we know.