The phrase "a complementary issue" is correct and usable in written English.
It can be used when discussing a topic that is related to or enhances another issue, often in a supportive or supplementary manner.
Example: "While we are addressing the budget cuts, we should also consider a complementary issue, such as the impact on employee morale."
Alternatives: "a related concern" or "an associated matter".
A major and complementary issue is to determine whether the GGI 'high-risk' patients are more sensitive to imatinib.
In addition, health care policy leaders formally identify the ideal model of health care delivery must be integrated, with different health professional providers working cohesively and a complementary mandate issued to encourage greater roles for pharmacists.
The complementary issues of economy, environmental impacts and planning procedures, as well as a basic physical-astronomical explanation of where the renewable energy sources come from and how they are distributed, may be found in the treatise of Sørensen.
The paper then discusses two complementary issues related to techno-social predictive analytics.
The observability analysis here proposed addresses two complementary issues: the local weak observability for the nonlinear system, and the global observability for a linear time varying representation of the system derived through a state augmentation method.
While these two examples happen to be run by banks – a cooperative in the case of the WIR and a local public bank in Nantes – that both also offer services in conventional currencies to their clients, a banking licence is not required to issue a complementary currency anywhere.
In a complementary research direction, the issue of designing testbeds to experimentally evaluate both threats (and their countermeasures) has been carried out by Hahn et al. and Mallouhi et al. in [33,34].
The sense of audition used as a complementary interface involves several issues which have been identified such as the rhythm and intensity.
As conventional breeding attempts using mutants most often results in poor agronomic performance and low seed germination, the use of transgenic plants is a complementary approach to overcome these issues (Kuwano et al. 2006).
This study makes the emphasis on "exploratory" and "descriptive" aspects of the Environmental Psychology within the real life context, providing comprehensive information to be inferred and issued in a complementary manner in interior design education.
