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. Author manuscript; available in PMC: 2009 Sep 21.
Published in final edited form as: Inf Retr Boston. 2009;12(1):69–80. doi: 10.1007/s10791-008-9074-8

Table 4.

The two topics (176 and 200) that display the largest performance improvement and degradation after applying the query expansion technique.

Topic ID Question Constructed Query
176 How does Sec61-mediated CFTR degradation contribute to cystic fibrosis? cftr degradation cystic fibrosis
200 What serum proteins change expression in association with high disease activity in lupus proteins lupus