U.S. researchers have been using this form of treatment for years in a research capacity.
What sets the South Korean team ahead is that it has shown the treatment good enough for clinical use.
Meanwhile, a new study shows that using somatic stem cell therapy for angina or chest pain can be effective.
A report in the journal Circulation Research finds patients treated with the therapy had fewer angina attacks than the placebo group.
Stem cells can help produce new blood vessels, alleviating the pain.
Somatic stem cells are not the same as the controversial embryonic stem cells.