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Age- and calorie-independent life span extension from dietary restriction by bacterial deprivation in Caenorhabditis elegans

Erica D Smith*, Tammi L Kaeberlein, Brynn T Lydum, Jennifer Sager, K Linnea Welton, Brian K Kennedy and Matt Kaeberlein*

BMC Developmental Biology 2008, 8:49  doi:10.1186/1471-213X-8-49