Insect Neurosecretory Material Separated by Differential Centrifugation

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Science  27 Apr 1962:
Vol. 136, Issue 3513, pp. 314-315
DOI: 10.1126/science.136.3513.314


The factor which accelerates the beating of the insect heart was found to be concentrated in a "large granule" fraction of the corpora cardiaca of the cockroach, Periplaneta americana (L.).