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Temporal variations in estradiol-17β (E 2 ) and testosterone (T) levels from initiation to partially spent stages of Fujian oyster, Crassostrea angulata from China were investigated by enzyme-linked immunosorbent assay. E 2 concentration varying between 95.97 and 280.98pg/g wet weight in the female gonads was higher than that in the male gonads (P<0.05), while T concentration ranging...
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