Reference for Bava Batra 47:6

דאמר רבי זירא אע"פ שדלתות מדינה נעולות

Blood found in the 'anteroom' renders [the woman] liable [for a sin-offering] if she enters the Sanctuary,<span class="x" onmousemove="('comment',' Before due purification, because it is certainly unclean. ');">⁷</span> and <i>terumah</i> must be burnt on its account.<span class="x" onmousemove="('comment',' I.e., if the woman touched the terumah in this unclean state. ');">⁸</span>

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