--2013-09-30 16:03:56--  http://bioconductor.org/packages/2.9/bioc/src/contrib/affy_1.38.1.tar.gz
Resolving bioconductor.org... 54.230.121.164, 54.230.122.212, 54.230.120.244, ...
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2013-09-30 16:03:56 ERROR 404: Not Found.