Title: Dietary restriction of Caenorhabditis elegans by axenic culture reflects nutritional requirement for constituents provided by metabolically active microbes.
Authors: Lenaerts I, Walker GA, Van Hoorebeke L, Gems D, Vanfleteren JR
Journal: J Gerontol A Biol Sci Med Sci
Published: 2008-03
Volume: 63
Pages: 242-52