TY  - RPRT
TI  - Fluoride varnishes (Duraphat): a meta-analysis.
AU  - U Helfenstein
AU  - M Steiner
PY  - 1994
DO  - 10.1111/j.1600-0528.1994.tb01559.x
UR  - https://pubmed.ncbi.nlm.nih.gov/8143435/
ID  - 8143435
ER  -