Believe that the difference in the earlier procedure that you are describing and the CELZ technology is the use of Embryonic stem cells that can generate into all the cell types in the body. Not sure if this in an oversimplified answer -- but it would seem to be at least one difference between the two procedural techniques.
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Louis Pasteur -- chance favours only the prepared mind.
Lecture, University of Lille (7 December 1854)