SMITH, R G Report on a collaborative study of the assay of ergot. [electronic resource] - Journal of the American Pharmaceutical Association. American Pharmaceutical Association Nov 1947 - 321-31 p. digital Publication Type: Journal Article Standard No.: 10.1002/jps.3030361102 doi Subjects--Topical Terms: Biological AssayClavicepsErgonovineErgot AlkaloidsHumans