title: Letter: Folate and coated charcoal reagent.
mesh_terms: D000327:Adsorption; D000818:Animals; D001665:Binding Sites; D002606:Charcoal; D005492:Folic Acid / Q000032:analysis*; D006801:Humans; D007202:Indicators and Reagents; D007668:Kidney; D008722:Methods; D013552:Swine
chemical_list: D007202:Indicators and Reagents; D002606:Charcoal; D005492:Folic Acid