Authors. Xue Y. & Shang L
Venue. Frontiers in Cell and Developmental Biology 10:1016988
How the Institute flags it
established 2 times frontier 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.