RESULTS	The VAS scores at rest did not differ between the two groups , being 28 + / - 22.3 , 40 + / - 21.4 , 28 + / - 18.5 , and 28 + / - 22.2 mm in the morphine group and 28 + / - 21.5 , 43 + / - 23.5 , 29 + / - 24.2 , and 19 + / - 24.8 mm in the controls ( F = 0.37 , DF = 1 , P = 0.848 ) .\