TY - GEN AU - Martin,Jeremy AU - Blackburn,David AU - Wiley,E O TI - Are node-based and stem-based clades equivalent? Insights from graph theory SN - 2157-3999 PY - 2011///0714 N1 - Publication Type: Journal Article UR - https://doi.org/10.1371/currents.RRN1196 ER -