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Effects of hexamethonium (20 mg kg−1), guanethidine (5 mg kg−1) and L-NAME (10 mg kg−1) on mean arterial blood pressure
| Time after administration (min) | ||||
|---|---|---|---|---|
| 0 | 0.5 | 5 | 15 | |
| Hexamethonium (n = 5 rats) | 97. ± 4 | 110. ± 4 | 99. ± 9 | 97. ± 5 |
| Guanethidine (n = 4 rats) | 104. ± 6 | 90. ± 5 | 119. ± 9 | 95. ± 7 |
| L-NAME (n = 5 rats) | 90. ± 5 | 90. ± 7 | 130. ± 16 | 114. ± 13 |
All values are means ± S.E.M. (in mmHg). Only one antagonist was administered per rat.
