title: [Basic studies on human tooth enamel biopsy: II. Selection of the acid agent].
mesh_terms: D000134:Acid Etching, Dental / Q000379:methods*; D000143:Acids / Q000494:pharmacology; D002118:Calcium / Q000032:analysis; D001840:Dental Bonding / Q000379:methods*; D003743:Dental Enamel / Q000032:analysis; D003747:Dental Enamel Solubility; D006801:Humans; D013054:Spectrophotometry, Atomic
chemical_list: D000143:Acids; D002118:Calcium