https://www.mdpi.com/2227-9059/13/8/1889
Authors. Zhantleuova, Karimova, Andreou et al
Venue. Biomedicines 13:1889
How the Institute flags it
frontier 4 times established 1 time
This source carries more than one flag across the corpus. That is not an inconsistency to resolve: the same work can be established evidence for one claim and frontier evidence for another, and the flag belongs to the use rather than to the source.