Rapid determination of the p-aminobenzoic acid excretion index in urine without use of radioactivity.
D010129:4-Aminobenzoic Acid / Q000652:urine*; D062365:Aminobenzoates / Q000652:urine*; D006801:Humans
D062365:Aminobenzoates; D010129:4-Aminobenzoic Acid