title: On the intra-individual variability of betanin excretion with urine.
mesh_terms: D002675:Child, Preschool; D005260:Female; D006801:Humans; D008297:Male; D010783:Photometry; D010860:Pigments, Biological / Q000378:metabolism / Q000652:urine*
chemical_list: D010860:Pigments, Biological