Reports

Ecdysone: Five Biologically Active Fractions from Bombyx

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Science  21 Jun 1963:
Vol. 140, Issue 3573, pp. 1311
DOI: 10.1126/science.140.3573.1311

Abstract

Five fractions of the growth and differentiation hormone, ecdysone, separated from extracts of Bombyx have been detected by bioassay. Three of these have not been described heretofore.

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