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Update May 7, 2017: Please note that we had to disable the phrase search operator (.) and the boolean not operator (-) due to technical problems. For the time being, phrase search queries will yield regular prefix search result, and search terms preceded by a minus will be interpreted as regular (positive) search terms.
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- Tianqing Liu, Xiaohui Yuan, Zhaohai Li, Yuanzhang Li:
Empirical and weighted conditional likelihoods for matched case-control studies with missing covariates. J. Multivar. Anal. 119: 185-199 (2013)
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