The phrase "a wider time span" is correct and usable in written English.
It can be used when discussing durations or periods that are broader or more extensive than a specific reference point.
Example: "The study examined the effects of climate change over a wider time span than previous research."
Alternatives: "a longer duration" or "an extended timeframe".
First, data were obtained retrospectively from patients imaged over a wide time span, who were unclassified by body size and diagnostic query, thus preventing us from finding any correlation between these latter parameters and per-patient radiation exposure.
Various studies were carried out over a wide time span, with the oldest study dating as far back as 1985.
Meanwhile, the present research could be the starting point of new researches investigating the implementation of the higher order thinking strategies in a wider time-span beyond one semester, and with the participants from other majors and discipline, or motivate the researchers to investigate the explicit training of these strategies.
Although this study assessed patients on ART over a relatively wider time span than most prior work (9, 10, 21), the results are largely consistent with findings from similarly designed studies.
This covered a wide time-span before, during and after the period of the mold sensitization study; some of the allergy study patients were admitted and recruited during this time but they represented only a small (and random) proportion of the admissions studied for seasonality.
In summary, the data-analysis papers in this special issue provide us with current progress in the understanding of solar-terrestrial phenomena observed in the VarSITI interval and in the wider time span.
Possible explanations include the wide time spans between the above cited studies and the different medical cultures within the countries where the studies took place.
Our nation-wide notification data over a broad time-span allowed comparing notification rates in different IDs and age-groups over time, while taking aspects of these challenges into account.
The observation of the genome-wide response at both levels, in a wide-ranging time span from seconds to hours, revealed metabolic and regulatory switches of yeast cells to adapt to and recover from an impulse-like perturbation.
As illustrated in Fig. 4b, c, the highest coefficients obtained with the Morlet wavelet span a wide time length, i.e., longer than the actual length of the ELF wave.
