TY - RPRT TI - Virus evolution within patients increases pathogenicity. AU - Yoh Iwasa AU - Franziska Michor AU - Martin A Nowak PY - 2005 DO - 10.1016/j.jtbi.2004.07.016 UR - https://pubmed.ncbi.nlm.nih.gov/15498589/ ID - 15498589 ER -