rats were treated with acetylsalicylic acid (150 mgikg b.w.per os daily) or naproxen (125 mg/kg b.w. per os daily) for six weeks. half of the rats received silymarin (17.5 mgikg b.w. per os daily) in the last three weeks of the experiment. it was found tliat administration of acetylsalicylic acid led to signs of hepatic damage (an increase in serum bilirubin level, alanine aminotransferase and ...