| DTN | diphtheria toxin, normal |
|---|---|
| DTS | dense tubular system; diphtheria toxin sensitivity; donor transfusion, specific |
| Lr | lawrencium; Limes reacting dose of diphtheria toxin |
| LT | heat-labile toxin; laminar tomography; left; left thigh; less than; lethal time; leukotriene; Levin ... |
| MBT | mercaptobenzothiazole; mixed bacterial toxin; myeloblastin |