Pittman, R I. Isolation and measurement of phytanic acid and related isoprenoid compounds by gas chromatography. [electronic resource] - Methods in medical research 1970 - 84-91 p. digital Publication Type: Journal Article ISSN: 0094-9590 Subjects--Topical Terms: Chromatography, GasChromatography, Thin LayerFatty Acids--analysisHumansMethodsRefsum Disease--diagnosisSolvents