4 ms·
I believe they mean the naturally occurring fluoride in tea: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4808922/ https://www.ncbi.nlm.nih.gov/pmc/articles/PM
by pockybum522 3y ago
I believe they mean the naturally occurring fluoride in tea:
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4808922/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4808922/