Reference for Niddah 108:33

אטו דמה בר משכב ומושב הוא

deduced? — Hezekiah replied: From Scripture which says, And of her that is sick with her impurity,<span class="x" onmousemove="('comment',' Lev. XV, 33, emphasis on 'her' and 'impurity'. ');">³⁰</span>

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