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Table 8 Effect of chronic exposure to two types of gasoline vapour on the duration of aggressive behaviour in male rats.

From: Impact of gasoline inhalation on some neurobehavioural characteristics of male rats

   Parameter
  Duration of aggression/sec
GROUP Tooth chattering Threat posture Leaping and biting Boxing position
Control 0.9 ± 0.23 1.5 ± 0.54 1.9 ± 0.72 1 ± 0.42
   Leaded gasoline 4.7 ± 1.1 a** 6 ± 1.2 a* 5.5 ± 1.45 2.2 ± 0.63
   Unleaded gasoline 4.4 ± 0.92 a* 6.2 ± 1.31 a* 5.9 ± 1.50 2.2 ± 0.74
  1. Values are expressed as means ± SE
  2. a: significantly different from the control group.
  3. Asterisks indicate the level of significance (* P < 0.05; ** P 0.01.)
  4. The number of animals was five pairs per ten days.