1.   ...tests on humans to find a blood substitute made from animal blood.

2.   Although Hemopure and other blood substitutes do not replace red blood cells, they do carry oxygen when those cells are in short supply.

3.   As a last resort, one of her doctors contacted companies working to develop a blood substitute.

4.   As a case in point, the panel cited research on artificial blood substitutes.

5.   Baxter is working separately on a genetically engineered bacteria to produce a blood substitute, but that technology is in a much earlier stage of development.

6.   Biopure executives stay upbeat about their American prospects and also promote the overseas opportunities for blood substitutes.

7.   Biopure is alone in having FDA permission to sell a blood substitute to veterinarians for use in treating dogs.

8.   A canine blood substitute manufactured by Biopure is already on the market.

9.   But the blood substitutes have practical commercial problems.

10.   He said that one of the earliest uses might be in blood substitutes.