https://www.mdpi.com/1422-0067/16/11/26065
Authors. Emmons-Bell, Durant, Hammelman et al
Venue. International Journal of Molecular Sciences
How the Institute flags it
frontier 1 time speculative 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.