HJORTH, N Instability of grass pollen extracts; a study of a stablizing additive. [electronic resource] - Acta allergologica 1958 - 316-35 p. digital Publication Type: Journal Article ISSN: 0001-5148 Standard No.: 10.1111/j.1398-9995.1958.tb03088.x doi Subjects--Topical Terms: PoaceaePollen