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The metabolism of H/C-labeled 4(-deoxy-4(-epimethylaminoavermectin B1a (MAB1a) benzoate, the major homologue (>90%) of the avermectin insecticide emamectin benzoate, was studied in laying chickens.(More)
The metabolism of 3H/14C-labeled 4"-deoxy-4"-epimethylaminoavermectin B1a (MAB1a) benzoate, the major homologue (>/=90%) of the avermectin insecticide emamectin benzoate, was studied in laying(More)
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