TY - RPRT TI - A viable mouse polyomavirus mutant without immortalizing or transforming activities. AU - S Linder AU - M Nilsson AU - I Martens AU - G Magnusson PY - 1990 DO - 10.1016/0042-6822(90)90276-w UR - https://pubmed.ncbi.nlm.nih.gov/2171224/ ID - 2171224 ER -