Reference for Niddah 17:56

קמ"ל דעד דדרי כשיעור הזאה

is to semen which is unclean, while the man who is created from it is clean; and R. Eleazar replied: The reference<span class="x" onmousemove="('comment',' In Job XIV, 4 cited. ');">⁵³</span>

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