| morphine derivative | 0.53 | They had tested positive for a morphine derivative. | ||
| morphine drip | 0.53 | They had him on a constant morphine drip. | ||
| morphine dose | 0.39 | First, he tried adjusting the level of her morphine dose and adding different medications. | ||
| morphine overdose | 0.33 | The autopsy said he died of a morphine overdose. | ||
| morphine pump | 0.33 | Finally, Mickey Jr. was put on a morphine pump, as his father was. |