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+Reference:
+ author: Ben Langmead and Cole Trapnell and Mihai Pop and Steven L Salzberg
+ title: Ultrafast and memory-efficient alignment of short DNA sequences to the human genome
+ journal: Genome Biology
+ volume: 10
+ pages: R25
+ year: 2009
+ DOI: 10.1186/gb-2009-10-3-r25
+ URL: http://genomebiology.com/2009/10/3/R25
+ eprint: http://genomebiology.com/content/pdf/gb-2009-10-3-r25.pdf