404. That’s an error.

The requested URL /translate_c?depth=1&hl=fr&prev=search&rurl=translate.google.fr&sl=en&sp=nmt4&u=https://www.ncbi.nlm.nih.gov/pubmed/22974733&xid=17259,15700023,15700124,15700149,15700186,15700190,15700201&usg=ALkJrhhzXZz9b-f21zULgThSRS5LzMNBKA was not found on this server. That’s all we know.