TY - RPRT TI - Spike-based phylogenetically defined clades within the Alphacoronavirus 1 species AU - Whittaker, G. R. AU - Andre, N. M. AU - Millet, J. K. PY - 2017 DO - 10.1101/101774 UR - https://www.biorxiv.org/content/10.1101/101774v1 ID - 10.1101/101774 ER -