N Choumkov

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This experiment was performed in Wistar rats of both sexes exposed subchronically to 1:100, 1:500, 1:1000 and 1:1500 LD50. The evaluation was based on endpoints measured on the 30th and 90th after starting exposure and after a recovery period of 30 days: these included clinical signs, functional changes, hematological parameters, urine analysis,(More)
Changes in the liver of male rats were studied on the 1, 3, 5, 7, 10 and 14 days after a single oral application of 1/5 DL 50 of the chloracetanilic herbicide Acetochlor (DL50 = 1063 mg/kg-1). Two main periods in the action of acetochlor can be identified: between 1-2 days when the influence of the compound itself is predominant and between 5-7 days, when(More)
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