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| | TIME.com: Safer Stitches -- Feb. 8, 1971 -- Page 1 |
 | | The chief reason is that the body's enzymes can absorb catgut (actually made from cattle and sheep intestines), and the sutures usually disappear within 90 days. |
 | | Because the material consists of animal protein, though, it has one flaw: it causes inflammation around the very wound it is supposed to heal. |
 | | Now a completely absorbable, non-irritating suture material has been developed at Lederle Laboratories' Davis and Geck Division in Pearl River, N.Y. To create the catgut substitute, which is trade-named Dexon, chemists tested 225 synthetic compounds before they hit upon polyglycolic acid, a polymer or long-chain molecule that is chemically compatible with the human body. |
| www.time.com /time/magazine/article/0,9171,909831,00.html (450 words) |
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