None of the reagents in this review are HLA-C specific. All three study used monoclonal that recognized HLA-A, HLA-B and HLA-C.
The second study has nothing to do with HLA-C. The reagent used is a pan-HLA mAb that recognized HLA-A, HLa-B and HLA-C. It was used to monitor HLA-A02.

Labome reply

Thanks for your feedback. The said publication was incorrectly curated, and has been fixed.