The phrase "ascertained during this" is correct and usable in written English.
It can be used when referring to information or findings that were determined or discovered in the course of a specific process or event.
Example: "The results of the experiment were ascertained during this phase of the research."
Alternatives: "determined during this" or "established during this".
Non-medical causes of death were also ascertained during this step.
Because the 2000 U.S. Census projections for youth residing in the participating areas were similar in 2002 and 2003 (−0.2% change overall), the 2002 denominator was multiplied by four and used as the total denominator for all cases ascertained during this period.
Sample extracts are then transferred to new nuclease-free 0.2 ml microvials (MidWest Scientific) and the desired final volume of 36 μl for each sample is additionally ascertained during this final sample transfer (or samples are used right away in the real-time RT-PCR application and not transferred).
In 19 cases, authorities said this fact was ascertained during the encounter.
Upon the receipt and analysis of the information by the Bank of Lithuania regarding alleged violations and alleged criminal offences against the financial system of our country, property and civil service which were ascertained during the inspection of the Snoras, on 14 November the prosecutor general's office commenced a pre-trial investigation.
Finally, we show how the correctness of hypothesised types can be ascertained during the interaction via an automated statistical analysis.
Leisure-time physical activity in the past month was ascertained during the home interview.
Gout flares were ascertained during the follow-up period.
All patients known at each centre were systematically ascertained during the key centre visit.
Enabling factors: The income level and employment status of the respondent were ascertained during the interview.
Laboratory results were linked to epidemiologic and clinical information ascertained during the outbreak investigation.
