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1. Determining human immunodeficiency virus coreceptor use in a clinical setting: Degree of correlation between two phenotypic assays and a bioinformatic model
   Katharina Skrabal, Andrew J. Low, Winnie Dong, Tobias Sing, Peter K. Cheung, Fabrizio Mammano, and P. Richard Harrigan
   Journal of Clinical Microbiology 45 (2): 279-284, 2007