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Effective Concentrations of Histamine and Antagonists in Two Preparations
The number of experiments is given in brackets
| –Log ED50 Histamine | pA2 | ||
|---|---|---|---|
| Diphenhydramine | Mepyramine | ||
| Ileum | 7.7 (11) | 7.9 (5) | 9.3 (2) |
| Tracheal chain | 6.1 (4) | 7.8 (2) | 9.1 (2) |
