The phrase "a comprehensive research study" is correct and usable in written English.
It can be used when referring to a detailed and thorough investigation or analysis on a specific topic or subject matter.
Example: "The findings of a comprehensive research study on climate change were published in a leading scientific journal."
Alternatives: "an extensive research analysis" or "a thorough research investigation."
A prospective comprehensive research study, including patient-level and practice-level variables, from a large random sample of general practices is warranted to enable multi-level modeling and further contextualise this study's findings.
The unfounded accusations of Jayasumana et al. [ 17] do not invalidate any of the results of the most comprehensive research study up-to-date on the subject of CKDu in Sri Lanka [ 1].
Upholding the classification as a Schedule 1 drug means that federal authorities can still raid medical marijuana dispensaries in states where it's considered legal, and comprehensive research studies about marijuana's effects are hindered by the extra steps required for researching Schedule 1.
Comprehensive research studies have not been carried in China on the ecology, molecular epidemiology, and genetic diversity of rabies virus strains circulating in different provinces.
Families who participated in previous, more comprehensive research studies of neural processing of speech and prosody in children with ASD [ 9- 11, 29] were invited to participate in this study.
In this article, the outcome of a comprehensive research program that studied the effectiveness of MCA as internal curing medium in terms of compressive strength, split tensile strength, modulus of elasticity and chloride permeability is discussed in order to recommend an appropriate mix proportion to produce internally cured concrete.
It builds upon the outcomes of a comprehensive research programme on the study of generic thermal performance of naturally ventilated office buildings with DSF, which has identified and evaluated the key design parameters affecting the thermal behaviour of DSF through computational simulation models.
In this study, a comprehensive research program was conducted on different clay-bearing rocks selected from Turkey to assess their disintegration characteristics under both field and laboratory conditions.
In this study, a comprehensive research program was carried out on the weathering properties of the Cappadocian tuffs and the weathering rate was determined in field and laboratory investigations.
