TY  - RPRT
TI  - Allergic response to copper--its possible gingival implications.
AU  - D I Trachtenberg
PY  - 1972
DO  - 10.1902/jop.1972.43.11.705
UR  - https://pubmed.ncbi.nlm.nih.gov/4508352/
ID  - 4508352
ER  -