TY - RPRT TI - Continuum approximations for lattice-free multi-species models of collective cell migration AU - Matsiaka, O. AU - Penington, C. AU - Baker, R. E. AU - Simpson, M. J. PY - 2017 DO - 10.1101/119586 UR - https://www.biorxiv.org/content/10.1101/119586v1 ID - 10.1101/119586 ER -