Zaret, B S Standardization in VPA-induced hyperammonemia. [electronic resource] - Neurology Jan 1985 - 136-7 p. digital Publication Type: Letter ISSN: 0028-3878 Standard No.: 10.1212/wnl.35.1.136-a doi Subjects--Topical Terms: Ammonia--bloodHumansValproic Acid--adverse effects