"as a reference case" is correct and can be used in written English.
You can use it to suggest a point of comparison or reference in a discussion. For example, "We can use the situation in France as a reference case when discussing international trade policies."
Individuals or couples attending the Integrated Counseling and Testing Centre (ICTC), of Department of Microbiology of Seth G.S. Medical College and KEM Hospital, Mumbai, India, for HIV screening either voluntarily or as a reference case were informed about the study.
Others can use it as a reference case.
Second, it was used as a reference case of topics playing a role in evolving accidents.
The solar heating plant was used as a reference case in this study.
This step served as a reference case for the unmitigated scenario.
It presents no particular dynamicity and thus will serve as a reference case.
The 'normal' or 'nominal' set of parameters in the dynamic model of red cell metabolism (abbreviated here as the nRBC) formed a reference case from which parameters can be perturbed.
Using a reference case as a starting point, different model parameters were changed in order to determine their importance to density effects.
The UNICEF Peer Review followed the same general methodology, but the Panel made some adjustments to reflect the particularities of UNICEF's evaluation system including: Ghana as a country reference case; partner countries' role as stakeholders and users of evaluation.
In order to compare rates of events between the comparison cohort and the anti-TNFα therapies, one patient from the comparison cohort was coded at random with psoriasis and included as a hypothetical reference case.
By taking as a reference the case γ2, that is = (15, 5), Figure 4 shows the effect of the diffusion on the distribution (left column) and dynamics (center column) of c A in a given cell.
