Reference for Eruvin 206:1

מאי היא דתניא כהן שעלתה בו יבלת חבירו חותכה לו בשיניו בשיניו אין בכלי לא חבירו אין איהו לא

What is the proof?<span class="x" onmousemove="('comment',' that R. Eliezer agrees that wherever possible a change should he made.');">¹</span> - Since it was taught: If a wen appeared<span class="x" onmousemove="('comment',' on the Sabbath so that there was no possibility of removing it on the previous day.');">²</span> on [he body of] a priest<span class="x" onmousemove="('comment',' Lit., 'a priest on whom went up'.');">³</span> his fellow may bite it off for him with his teeth.

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