The phrase "a comprehensive subject" is correct and usable in written English.
It can be used when referring to a topic that is thorough and covers all necessary aspects or details.
Example: "The course will cover a comprehensive subject, including all the key theories and practices in the field."
Alternatives: "an extensive topic" or "a thorough subject".
A comprehensive study of subjects participating in a vaccine trial conducted in 20 countries on 4 continents identified 65 A(H1N2) viruses from 228 influenza A(H1) viruses isolated (37 ).
The issue of the Polish Prussian alliance was subject to a comprehensive study as early as the 1890s, when Polish historian Szymon Askenazy published his work on the subject (Przymierze polsko-pruskie, 1900) focusing on the diplomatic and international aspects.
However, despite a raised incidence of mutations in NF genes in ALS subjects, a comprehensive study has excluded mutations in NF genes as a primary cause for ALS [ 56].
It is not clear how common genital cutting is in the rest of Iraq, because it has not been the subject of a comprehensive study.
In this competition, annual reports of listed firms are subject to a comprehensive content analysis based on more than 300 items referring to the overall annual financial reporting package of German listed firms (Baetge 1992).
The genetic basis for this heritable variation has been the subject of a comprehensive study by our lab, and progress has been made in understanding the variety of mechanisms, some species-dependent [8], that control expression of this integrin.
All suicides and other unnatural deaths are subject to a comprehensive case review.
Most participants could identify some previous professional training related to oral cancer prevention, identification, and treatment, primarily as a component within a course that dealt with a more comprehensive subject such as oral diagnosis or oncology.
This has also been observed in the limited other studies in this area [5], suggesting that future work will need to institute a highly comprehensive subject retention protocol or an initial "run-in" period (e.g., demonstration of PAP use at sub-optimal pressure prior to titration) to screen prospective subjects.
