Reference for Niddah 138:15

עובד כוכבים שמת טהור מלטמא

Explain it then in the following manner and read thus: If a woman states, 'I counted<span class="x" onmousemove="('comment',' Sc. she examined herself on certain days and ascertained that she was then clean. ');">¹⁴</span>

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