The phrase "a past study" is correct and usable in written English.
It can be used when referring to a study that was conducted in the past, often in academic or research contexts.
Example: "According to a past study, regular exercise can significantly improve mental health."
Alternatives: "a previous study" or "an earlier study".
Includes significantly older material because it contains a past study concerning hermetic sealing and microfilm storage.
A past study predicted the Aceh government's road building plans, and the plantations, poaching, development and logging they will facilitate, would result in the loss of at least a quarter of the remaining 6,600 Sumatran orangutans by 2030.
While this recommendation may sound a bit odd, a past study from Stanford researchers showed that a maintenance-first approach helped individuals shrink their waistlines and keep from regaining the weight.
A past study of a plan to make grizzly bears an umbrella species in Idaho found, for instance, that birds, mammals, and amphibians would benefit as background species, but most reptiles wouldn't.
Mr. Leinberger said a past study by the city had concluded that the District could generate billions in new tax revenue over 20 years if the height limit were raised just a few stories.
Additionally, a past study examining ENGAGE8 indicated that the behaviourally rated treatment gains over 12 months occurred above any beyond the natural reductions found in their comparison no treatment group, and as such this has already been ascertained with regard to treatment effects over time.
In a past study carried out on 1009 women in outpatient internal medicine clinics in Turkey, the mean FSFI score was reported to be 24.25 (9.50) [21].
According to a past studies cited in the paper, coffee may help remove excess estrogen from the bloodstream.
A past report from 2008 only studied particulate mater, to which it attributed 4,267 premature deaths.
The output results of L-SHADE algorithm are compared with a similar past study and also with other well-known evolutionary algorithms.
This is consistent with a similar past study which indicated that fixed appliance subjects reported more pain than Invisalign subjects [12].
