404. That’s an error.

The requested URL /translate_c?depth=1&rurl=translate.google.ro&sl=en&sp=nmt4&tl=ro&u=https://www.ncbi.nlm.nih.gov/pubmed/23966167&xid=17259,15700021,15700186,15700190,15700256,15700259,15700262&usg=ALkJrhgI3Zv366S7st0IvF673C0LbcqESQ was not found on this server. That’s all we know.