Word: antigen
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Dates: during 1990-1999
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...search for a bone marrow donor was complicated by the fact that Kuo's bone marrow type included a rare antigen found with some frequency only among other Asians...
Grove bet his life on a "smart bomb" of high-dose radiation, a new procedure that he felt offered the best chances. It seems to have put the cancer away for now. Grove won't say he's "recovered," just that levels of the telltale prostate-specific antigen (PSA) in his blood have sunk...
...have to be optimistic, but it's very difficult because the antigen is very hard to find and hopefully, we'll find one soon," Mr. Kuo said...
...Alan's antigen is very special and he has a difficult one" to match, Mr. Kuo said. "The number of new donors has not increased fast enough, although it has increased by one-third or one-half. We probably need a pool of a million donors of the same race...
...Some guys can take a bye. Most men ages 50 to 70 probably don't need annual testing for PROSTATE CANCER. Researchers say men can safely wait two years if their blood level of prostate-specific antigen (PSA) measures below...