Reference for Niddah 118:5

בין כך ובין כך טהורה

RULED THAT IT WAS CLEAN,<span class="x" onmousemove="('comment',' Since in addition to the doubt mentioned (cf. prev. n.) there is also the one whether the blood issued from the woman or from the man. The necessity for this ruling will be discussed infra in the Gemara. ');">⁴</span>

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