Burr, I M Perifusion of rat pancreatic tissue in vitro: substrate modification of theophylline-induced biphasic insulin release. [electronic resource] - The Journal of clinical investigation Nov 1970 - 2097-105 p. digital Publication Type: Journal Article ISSN: 0021-9738 Standard No.: 10.1172/JCI106427 doi Subjects--Topical Terms: Adenine Nucleotides--metabolismAnimalsCitrates--pharmacologyCulture TechniquesCyclic AMP--metabolismFeedbackGlucose--pharmacologyInsulin--metabolismInsulin SecretionMalePancreas--metabolismPerfusionPyruvates--pharmacologyRadioimmunoassayRatsStimulation, ChemicalTheophylline--pharmacology