The phrase "ascertained and a" is not correct and does not form a usable expression in written English.
It appears to be an incomplete fragment and lacks context to convey a clear meaning.
Example: "The results were ascertained and a decision was made."
Alternatives: "determined and a" or "established and a".
During the baseline survey the presence of health care providers was also ascertained and a list of both government and private health care providers was developed.
However "true" recessive forms of DBA have not yet been ascertained and a dominant inheritance with a reduced penetrance, or rarely gonadal mosaicism (Cmejla et al, 2000), is a likely alternative.
The clinical samples were derived from prospective trials where data collection, validation, and processing followed good clinical practice; the adherence to study protocols was ascertained and a continuous follow-up for nine years sufficiently substantiates our observation.
Consumption of foods high in phytoestrogens not included in the Block food frequency questionnaire (FFQ) (see Appendix 1) was ascertained and a detailed phytoestrogen composition database [ 23] was used to derive intake levels of all the major isoflavones and lignans, as well as total phytoestrogens.
Frequencies of consumption of various types of food were also ascertained, and an unhealthy diet was defined as daily or almost daily consumption of sausage and less frequent (twice a week or less often) consumption of rye bread or crisp bread, fresh vegetables and salads, and berries or fruit.
For our TSC studies we ascertained and sampled a four-generation African-American TSC family that shows a high likelihood for linkage to chromosome 16 (z=1653).
By this method, excess volume contributed by the tumor and stroma could be ascertained and, as a result, MOSJ-Dkk1 tumors were found to be significantly larger than MOSJ-pLenti controls.
Such patients are particularly difficult to ascertain, and an objective measure of the VA will provide an important contribution to the evaluation of such cases.
Finally, based on the distribution of bond stress along the embedded length, the anchorage position function was ascertained and then an accurate bond slip relationship was built, which was significant in structural design and numerical simulation.
Despite the growth of SEI services across the world, the optimum length of SEI services in FEPP has not been ascertained and remains an important issue for treatment providers, service users, and policy makers.
Let A j = 1 if family j is ascertained, and 0 otherwise, and a j = P(A j = 1).
