| Clue | Source | Date |
|---|---|---|
| Hosp. drip | Eugene Sheffer | 23 Oct 2025 |
| Hosp. drip | Eugene Sheffer | 29 May 2025 |
| Caesar's four | ||
| How fluids are given in a hospital (2) | ||
| Ceasar's four | ||
| Roman four | ||
| Within a vein (abbr) (2) | ||
| Four, to Flavius | ||
| Into a vein (abbr) (2) | ||
| Hospital feeding tube | ||
| Roman 4 | Canadiana | 14 Dec 2020 |
| Hosp. drip | Eugene Sheffer | 24 Oct 2019 |
| Four, to Fabius | Canadiana | 13 Feb 2017 |
| Roman numeral. |