| 1 | The morphine was administered by injection. | |
| 2 | The effects of morphine on the stomach are potentiated by cholinergic drugs. | |
| 3 | The operation began when the patient was kept under with morphine. | |
| 4 | The system of the brain affected is the same one that is stimulated by heroin and morphine. | |
| 5 | He started an IV for fluids and morphine in his left hand. |