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/21116410&usg=ALkJrhgh0atoEOjgvBP30VrnfUnv9MqBig was not found on this server. That’s all we know.