Technology is moving at a quickened pace.
You can also look up the Joe Rogan podcast with Mel Gibson where stem cells saved his dad's life.
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Stay away from doctors who perform mega sessions, have posts deleted, attack posters, sue patients & forum owners, use power drills or robots. I recommend fue with hand punches in the .70-.85 range. I consulted with dozens of clinics over the years and there was a recurring theme regarding FUE among some employees of those other clinics. I was told Bisanga was the man my research told me the same and my experience validated my own research.