Reference for Nedarim 131:5

שאני נהנה לזה קרבן ולזה קרבן צריכין פתח לכל אחד ואחד

IS GOOD FOR THE HEART,' — HE IS PERMITTED TO PARTAKE OF WILD ONIONS, AND NOT ONLY OF WILD ONIONS, BUT OF ALL ONIONS. SUCH A CASE HAPPENED BEFORE R. MEIR, AND HE GAVE ABSOLUTION IN RESPECT OF ALL ONIONS.

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