Beer, A M Isolation of biologically active fractions from the water soluble components of fulvic and ulmic acids from peat. [electronic resource] - Phytomedicine : international journal of phytotherapy and phytopharmacology Oct 2002 - 659-66 p. digital Publication Type: Journal Article ISSN: 0944-7113 Standard No.: 10.1078/094471102321616490 doi Subjects--Topical Terms: AnimalsBenzopyrans--isolation & purificationChromatography, High Pressure LiquidGuinea PigsHumic Substances--isolation & purificationMuscle Contraction--drug effectsMuscle, Smooth--drug effectsReceptors, Adrenergic, alpha-2--drug effectsReceptors, Dopamine D2--drug effectsSoil--analysisStomach--drug effects