Quantitation of 3-ethyl-5-hydroxy-4,5-dimethyl-delta 3-pyrrolin-2-one in the urine of patients with acute intermittent porphyria.

Quantitation of 3-ethyl-5-hydroxy-4,5-dimethyl-delta 3-pyrrolin-2-one in the urine of patients with acute intermittent porphyria.