Variations measured in the level of Aspartate transaminase activity in liver tissue of rats upon gestational DBP exposure: A three-generational toxicity assessment. Values are mean ± SE of six observations. Symbol ‘*’ significantly different from their corresponding controls as determined by Student’s t-test, P < 0.05; different alphabets ‘a’, ‘b’ and ‘c’ are significantly different among experimental groups in the inter-generational analysis as determined by one-way ANOVA followed by post-hoc Tukey’s HSD test, P < 0.05. F1, F2 and F3 represents first, second and third generation respectively.