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| | OLYMPICS; Sophisticated Doping Begets More Testing - New York Times |
 | | Despite all the glorious images of the 1988 Summer Olympics in Seoul, South Korea, it is a haunting image that remains most deeply burned in memory: Ben Johnson, the Canadian sprinter, testing positive for an anabolic steroid two days after he set a world record in winning the 100-meter final. |
 | | Yet as the long wait for the 1992 Summer Olympics here narrows to a final week, evidence continues to flow that despite all the increased official effort and improving technology, drug use by athletes not only remains a high-profile problem, but appears to be spreading. |
 | | This year, for the first time, athletes from Africa, including the leading female 400-meter runner in world this season, Charity Opara of Nigeria, and her teammate, Chioma Ajunwa, the African women's 100-meter champion, were found to have tested positive for performance-enhancing substances. |
| query.nytimes.com /gst/fullpage.html?sec=health&res=9E0CE2DB1539F93AA25754C0A964958260 (567 words) |
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