Reference for Niddah 120:9

אמר רב מתנה

— It is this that was meant: Or to one who continued clean owing to clean blood,<span class="x" onmousemove="('comment',' I.e., either to a gentile woman who is free from the restrictions of uncleanness or to an Israelitish woman who for the reason stated is exempt from uncleanness. ');">¹⁰</span>

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