title: Clinical comparison of thickened and unthickened urea peroxide-glycerin products.
mesh_terms: D002986:Clinical Trials as Topic; D005260:Female; D005891:Gingivitis / Q000517:prevention & control*; D005990:Glycerol; D006801:Humans; D010545:Peroxides / Q000627:therapeutic use; D010592:Pharmaceutic Aids; D011247:Pregnancy; D011248:Pregnancy Complications; D014508:Urea / Q000627:therapeutic use*
chemical_list: D010545:Peroxides; D010592:Pharmaceutic Aids; D014508:Urea; D005990:Glycerol