Reference for Chullin 175:19

אמר רבן שמעון בן גמליאל

means the whole of its blood; R'Judah maintains that 'the blood thereof' implies even part of its blood; and R'Simeon B'Gamaliel maintains that 'the blood thereof' means the vital<span class="x" onmousemove="('comment',' Lit., 'special', 'distinct'.');">⁸</span>

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