TOLBERT, N E (2-Chloroethyl) trimethylammonium chloride and related compounds as plant growth substances. I. Chemical structure and bioassay. [electronic resource] - The Journal of biological chemistry Feb 1960 - 475-9 p. digital Publication Type: Journal Article ISSN: 0021-9258 Subjects--Topical Terms: Ammonium Compounds--pharmacologyBiological AssayGrowth Substances--chemistryPlant DevelopmentPlantsQuaternary Ammonium Compounds--pharmacology