TY - RPRT TI - Effects of magnesium and fluoride on ion exchange and acid resistance of enamel. AU - F Feagin AU - S Thiradilok PY - 1979 DO - 10.1111/j.1600-0714.1979.tb01619.x UR - https://pubmed.ncbi.nlm.nih.gov/35595/ ID - 35595 ER -