title: Tryptophan, picolinic acid and zinc absorption: an unconvincing case.
mesh_terms: D000818:Animals; D002614:Chelating Agents / Q000378:metabolism; D004032:Diet; D010848:Picolinic Acids / Q000378:metabolism*; D051381:Rats; D014364:Tryptophan / Q000378:metabolism*; D015032:Zinc / Q000378:metabolism*
chemical_list: D002614:Chelating Agents; D010848:Picolinic Acids; D014364:Tryptophan; D015032:Zinc