TY - RPRT TI - Protective microbiomes can limit the evolution of host pathogen defense AU - Metcalf, C. J. AU - Koskella, B. PY - 2019 DO - 10.1101/665265 UR - https://www.biorxiv.org/content/10.1101/665265v1 ID - 10.1101/665265 ER -