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| Bob Andres/AJC |
| Richard Hales, a senior engineering intern at Georgia Tech, checks on wear testing of cartilage replacement material for Carticept Medical of Alpharetta. Venture capital firms have invested more than $23 million in Carticept Medical. |
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| Bob Andres/AJC |
| Richard Hales, a senior engineering intern at Georgia Tech, checks on wear testing of cartilage replacement material for Carticept Medical of Alpharetta. Venture capital firms have invested more than $23 million in Carticept Medical. |