title: On the keto acid content of tears.
mesh_terms: D002854:Chromatography, Paper; D002855:Chromatography, Thin Layer; D002986:Clinical Trials as Topic; D003231:Conjunctivitis / Q000201:enzymology*; D006801:Humans; D012695:L-Serine Dehydratase / Q000032:analysis; D011773:Pyruvates / Q000032:analysis*; D013666:Tears / Q000032:analysis* / Q000201:enzymology
chemical_list: D011773:Pyruvates; D012695:L-Serine Dehydratase