title: Progressive stages of subsurface demineralization of human tooth enamel.
mesh_terms: D000328:Adult; D002021:Buffers; D003743:Dental Enamel / Q000032:analysis; D003747:Dental Enamel Solubility; D005260:Female; D006801:Humans; D007773:Lactates; D008875:Middle Aged; D013997:Time Factors
chemical_list: D002021:Buffers; D007773:Lactates