Reference for Chullin 89:4

מתיב רב ירמיה

We therefore see that if the measure is that of a hole the size of a drill, several small holes are reckoned together so as to make up this measure; similarly we ought to say here, inasmuch as the measure<span class="x" onmousemove="('comment',' Where the windpipe was perforated, as distinct from where it was merely severed. V. infra 54a.');">³</span>

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