Takahashi, H Isolation and characterization of multiple components of basic gonadotropin from bullfrog (Rana catesbeiana) pituitary gland. [electronic resource] - Journal of biochemistry Nov 1981 - 1333-40 p. digital Publication Type: Journal Article ISSN: 0021-924X Standard No.: 10.1093/oxfordjournals.jbchem.a133598 doi Subjects--Topical Terms: Amino Acids--analysisAnimalsChemical PhenomenaChemistryFollicle Stimulating Hormone--isolation & purificationGonadotropins, Pituitary--isolation & purificationIsoelectric FocusingLuteinizing Hormone--isolation & purificationPituitary Gland--analysisRana catesbeiana