title: Fluoride content of piper betel and its constituents.
mesh_terms: D001114:Areca / Q000032:analysis*; D002118:Calcium / Q000032:analysis; D005459:Fluorides / Q000032:analysis*; D008274:Magnesium / Q000032:analysis; D010946:Plants, Medicinal; D010947:Plants, Toxic; D014026:Nicotiana / Q000032:analysis
chemical_list: D008274:Magnesium; D005459:Fluorides; D002118:Calcium