This study was performed on calf spines, which are regarded valid substitutes for human cadaveric spine testing experiments [ 21].
However, since all the samples were treated in the same manner the results may be regarded as valid for comparison between the groups.
Such, our results are to be regarded as valid for a case mix as can be found in general psychiatric hospitals with adult psychiatric patients.
This is a cause for serious concern, especially if such cell lines are to be regarded as valid models for evaluating the pathobiology of breast cancer and/or the likely response to novel drug therapies.
Some data sets were not fully used (e.g., the PM10 data from Auckland) because they did not fully meet the strict requirements of the study but are still regarded as valid data sets for the purposes for which they were gathered.
This indicates that the hypertonic saline model that clinically can be regarded a valid experimental model for myalgia, also seem to be valid with respect to glutamate and 5-HT release.
A battery of tests that can be universally regarded as valid and reliable for evaluating the potential impact of neurotoxicants on the developing central nervous system does not exist.
The price should move at least 3% above or below the respective level for the move to be regarded as valid.
22 For all "time without fever" analyses we regarded as valid only biologically plausible temperatures of more than 33°C and less than 45°C.
Although the sequential order originally proposed by Fearon and Vogelstein for CRC progression has been disputed the overall model is still regarded as valid [ 10].
