To speak to your question, we have:
The Taurus Judge Vs. The Box O’ Truth
http://www.theboxotruth.com/docs/bot41.htm
A link to The Box O’ Truth web site belongs on every thread of this nature. Hours of useful reading.
The BoxO’Truth is one of the essential firearms sites. I asked the owner if heavier shot would make any difference would make any difference when used against a human attacker. I was refering to turkey loads with two ounces of #2 shot. He had tried those, too, and replied with the standard, ‘little shot is for little birds.’ :)