Reference for Niddah 79:27

ורבנן אע"ג דכתיב זאת איצטריך לבן או לבת סד"א

A FOETUS BORN FROM ITS MOTHER'S SIDE. And the Rabbis?<span class="x" onmousemove="('comment',' How can they maintain their ruling in view of this exposition? ');">²⁶</span>

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