Without Federal money, some researchers have decided not to proceed with studies of fetal tissue implants, but more and more are deciding to raise their own money.
The agency said 27 people had developed serious infections after receiving tissue implants processed by the company, and one of them had died.
They called the report the first well-documented evidence that fetal tissue implants could be used to treat a disease.
And the Swedes, for their part, said they planned further experiments with fetal tissue implants.
Sweden, Mexico and Britain have already performed several fetal tissue implants to treat Parkinson's.
We can use artificial tissue implants to return him to full viability within a few days, these we have in store.
It is not yet known whether the Parkinson's patients treated with fetal tissue implants benefited.
He has subsequently performed fetal tissue implants in three more patients.
A Swedish team has reported no benefit for two patients who received fetal tissue implants there.
Some believe it comes from ovarian tissue implants left in the abdomen during fetal development.