Sentence examples for dose is unknown from inspiring English sources

Although, according to the FDA, the infectious dose is unknown (Food and Drug Administration, 1993).

The infectious dose is unknown what lead the specialists to established, by prevention, an unofficial threshold alert value of 103 cultivable cells per liter.

The median lethal dose is unknown.

The authors observed no significant effects at the low-diet level, and the actual dose is unknown.

Given the general trend in in vitro nanotoxicology to use lower nanoparticle concentrations, including below 1 μg/mL, direct measurements of number concentration and other dispersion parameters at very low doses have become more critical, and are essential for air-to-liquid delivery systems, where delivered ENM dose is unknown.

The double-mutant mouse will have been "treated" with this second genetic manipulation from conception, every day, all day, rather than the typically short-duration period of treatment in a FXS clinical trial, in which the optimal dose is unknown and the highest tolerable dose is often used.

The 75-mg dose approved in the USA had not been assessed in the clinical trial, thus the clinical efficacy and safety at the 75-mg dose was unknown.

As the optimal dose was unknown two different doses, either 1 g or 5 g, of inoculum RBP1 (see below) were given undiluted to 25 and 28 lambs respectively (Table 1) by placing inoculum into the mouth directly from a syringe barrel, enabling it to be swallowed naturally.

The risk for osteoporosis patients, taking the lower doses, is unknown, they said.

Therefore, whether the drug was delivered correctly at the correct time of day or in appropriate doses is unknown.

Some authors have also used topical amphotericin B irrigations into the postoperative sinonasal cavity, although optimal dosing is unknown and efficacy is difficult to determine distinct from other concurrent therapies.