More on sigma's oxalate kit.
Barlow
I M
IM
D006801:Humans; D006863:Hydrogen-Ion Concentration; D010070:Oxalates / Q000652:urine*; D019815:Oxalic Acid; D011933:Reagent Kits, Diagnostic
D010070:Oxalates; D011933:Reagent Kits, Diagnostic; D019815:Oxalic Acid