Neurological Effects of Combining Low Toxic Dose of Tramadol and Nicotine: An Animal Model Evidence of Endoplasmic Reticulum Stress

Table 1

The different animal groups of the study and both the route and the dose of chemicals used.

Group	Treatment/dose	Route
1	Tramadol 20 mg/kg	Oral gavage
2	Tramadol 10 mg/kg	Oral gavage
3	Tramadol 20 mg/kg /nicotine 125 μ/kg	Tramadol oral gavage/nicotine subcutaneous
4	Nicotine 125 μ/kg	Subcutaneous
5	Olanzapine 3 mg/kg	Oral
6	Saline	Oral