In general, two big problems with Ecstasy have been ascertained.
Almost 40% of registrants are ascertained by "BSfreq" as the primary source, whereas less than 10% of the registrants are ascertained by "Chiro" as the primary source.
The difference of birth year is even larger between two older and three younger cohorts because subjects in ARIC and HPFS were ascertained almost 10 years earlier.
Almost all physical activity data were ascertained using self-report questionnaires, with considerable reliance on single-item questions 24,26,30,32,35 38,40 (n=9) and custom questionnaires 22,27,29,31,33,39 (n=6) of unknown validity.
Moreover, the distinctly marked lower cytotoxicity of compounds 7 and 12 against the normal cell line – human skin fibroblasts (HSF) and almost several-fold higher against the examined cancer cell lines was ascertained.
However, the surveillance system could capture almost all the medico-legal cases although the proportion of such cases captured by the surveillance system could not be ascertained.
Furthermore, it was ascertained that the contribution of the autogenous shrinkage and carbonation shrinkage to the total shrinkage deformation is almost negligible for cement paste and concrete made of limestone-rich cements.
"The cause of the haemorrhage remains to be ascertained.
Expert opinion is divided on whether the identity of the cyber-warriors can be ascertained properly.
Whether or not this model will "work" cannot be ascertained unless it's adopted.
The rumor that the vacation would be in the Caribbean was ascertained to be hard fact.
