| 释义 |
DictionarySeeloEncyclopediaSeeLOLo dose
Lo dose , the limes nul dose of diphtheria toxin, that is, the largest amount of toxin that, when mixed with one unit of antitoxin and injected subcutaneously into a 250-g guinea pig, yields no recognizable reaction in the average of a series; actually, the Lod. is usually recorded as the one that causes a barely perceptible local edema at the site of inoculation. |