liver biopsy
... that liver biopsy (obtaining a tissue sample from the liver) is sometimes needed in unexplained forms of hepatitis?
... that <b id="mwFwU"><a href="./Liver_biopsy" id="mwFwY" rel="mw:WikiLink" title="Liver biopsy">liver biopsy</a></b> (obtaining a tissue sample from the <a href="./Liver" id="mwFwc" rel="mw:WikiLink" title="Liver">liver</a>) is sometimes needed in unexplained forms of <a href="./Hepatitis" id="mwFwg" rel="mw:WikiLink" title="Hepatitis">hepatitis</a>?