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BACKGROUND The ultrasonically activated (Harmonic) scalpel has proven to be an effective, efficient, and safe instrument for dissection and hemostasis in both open and laparoscopic surgical procedures. To date, the primary use of the Harmonic scalpel in laparoscopic cholecystectomies has been for the division of the cystic artery and liver bed dissection.(More)
For evaluation of a rat intra-abdominal adhesion model, 48 study rats were each given an intraperitoneal injection of 1 ml of 1.5% carrageenan solution and 48 control rats were each given 1 ml of sterile saline solution. Thereafter, 6 control and 6 study rats were killed on days 2, 3, 4, 5, 7, 9, 14, and 21 for assessment of the temporal nature of adhesion(More)
A decision framework for setting management goals for species at risk is presented. Species at risk are those whose potential future rarity is of concern. Listing these species as threatened or endangered could potentially result in significant restrictions to activities in resource management areas in order to maintain those species. The decision(More)
The association between cocaine use and acute gastroduodenal perforation is known. The effect of cocaine and stress on gastric mucosal ulceration and the levels of prostaglandin E(2) (PGE(2)) and leukotriene C(4) (LTC(4)) was studied in 40 Sprague-Dawley rats. Controls received intraperitoneal (i.p.) saline, ten received i.p. cocaine (35 mg/kg), ten were(More)
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