Group No. of rats Treatment
1a 6 0.5 ml of distilled water for 28 days
1b 6 Withdrawn from distilled water treatment for 28 days
2a 6 0.5 ml of vegetable oil for 28 days
2b 6 Withdrawn from vegetable oil treatment for 28 days
3a 6 20 mg/kg body weight of nct for 28 days
3b 6 Withdrawn from 20 mg/kg body weight of nct treatment for 28 days
4a 6 30 mg/kg body weight of nct for 28 days
4b 6 Withdrawn from 30 mg/kg body weight of nct treatment for 28 days
Table 1: Distribution and treatment of experimental animals in the respective groups.