Dell Computer (nasdaq: DELL - news - people ), SBC Communications (nyse: SBC - news - people ) and Belo (nyse: BLC - news - people ), have all made use of the technique, according to a Texas House research organization report.
Dr George Schmid, a specialist in HIV at the World Health Organization, said it could take many years to determine whether the technique was safe and effective, but he said the results were "encouraging".