| Subject | English | Italian |
| med. | approximate lethal dose | dose letale approssimativa |
| med., health., anim.husb. | lethal dose | dose fatale |
| med., health., anim.husb. | lethal dose | dose mortale |
| math. | lethal dose 50 | dose letale mediana |
| math. | lethal dose 50 | LD50 |
| health., nat.sc. | lethal dose 50% | dose media letale |
| health., nat.sc. | lethal dose 50% | dose letale media |
| med. | lethal dose | dose limite mortale |
| med., health., anim.husb. | lethal dose | dose letale |
| gen. | lethal dose 50 | dose letale 50 |
| chem. | lethal dose x% | dose letale x% |
| med. | lethal doses LD100 | dose letale 100 |
| health., nat.sc. | lethal threshold dose | dose letale di soglia |
| obs., med. | mean lethal dose | dose letale media |
| med. | mean lethal dose | dose letale mediana |
| math. | median lethal dose | dose letale mediana |
| health., nat.sc. | median lethal dose | dose media letale |
| pest.contr. | median lethal dose | dose semiletale |
| math. | median lethal dose | LD50 |
| obs., med. | median lethal dose | dose letale media |
| pest.contr. | median lethal dose | dose di sopravvivenza al cinquanta per cento |
| med. | median lethal dose | dose letale 50 |
| health. | minimal lethal dose | dose minima letale (dosis letalis minima) |
| environ. | minimum lethal dose | dose letale minima |
| health. | minimum lethal dose | dose minima letale (dosis letalis minima) |
| environ. | minimum lethal dose | dose mortale minima |
| med. | minimum lethal dose 25 | dose minima letale |
| med. | minimum lethal dose | dose minima letale |