Reference for Niddah 144:27

ר"ל אמר

I would not listen to you, the fact being that the prescribed quantities of half a <i>log</i> of oil for a thanksgiving-offering, and a quarter of a <i>log</i> of wine for a nazirite, and the eleven days that intervene between one menstruation period and the next are the <i>halachah</i> of Moses handed down from Sinai. What is the '<i>halachah</i>' referred to? — R. Johanan replied: The one <i>halachah</i> applicable to the eleventh day.<span class="x" onmousemove="('comment',' Of a zibah period. ');">²⁴</span>

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