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/pmc/articles/PMC4669368/figure/Fig2/&xid=17259,15700023,15700186,15700190,15700256,15700259,15700262&usg=ALkJrhhD4EjM5l6dcMYHvFli5trwbnazKw was not found on this server. That’s all we know.