murine polyomavirus
... that murine polyomavirus is an oncovirus that causes tumors in newborn mice?
... that <b id="mwCj8"><a href="./Murine_polyomavirus" id="mwCkA" rel="mw:WikiLink" title="Murine polyomavirus">murine polyomavirus</a></b> <i id="mwCkE">(pictured)</i> is an <a href="./Oncovirus" id="mwCkI" rel="mw:WikiLink" title="Oncovirus">oncovirus</a> that causes tumors in newborn <a class="mw-redirect" href="./Mice" id="mwCkM" rel="mw:WikiLink" title="Mice">mice</a>?