82 % of chronic alcoholics showed significantly elevated levels ( p less than 0.01 ) of antibodies to morphine ( 5.34 +/- 0.65 % of complement fixed ) when compared to the control group ( 2.41 +/- 0.52 % of complement fixed ) , which was an indirect evidence of the presence of endogenous morphine-like compounds in men and their role in the pathogenesis of the disease .
C0009498
complement
C0009505
2