Reference for Niddah 84:8

לידה יבשתא מאי מטמא בפנים כבחוץ איכא

[the difficulty arises again]: If the birth occurred during her menstruation period she is a menstruant, and if it occurred during her <i>zibah</i> period she is a zabah?<span class="x" onmousemove="('comment',' Cf. relevant notes supra 42a ad fin. ');">⁸</span>

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