Interaction of urea and human enamel.
D000328:Adult; D003743:Dental Enamel / Q000033:anatomy & histology* / Q000187:drug effects / Q000648:ultrastructure; D006801:Humans; D008855:Microscopy, Electron, Scanning; D013997:Time Factors; D014508:Urea / Q000494:pharmacology*
D014508:Urea