[1]↑"Lactobacillus casei." Wikipedia, The Free Encyclopedia. 22 Mar 2009, 22:52 UTC. 31 Mar 2009 <http://en.wikipedia.org/w/index.php?title=Lactobacillus_casei&oldid=279033109>.
[2]↑genome.jgi-psf.org
[3]↑kegg.com
[4]↑"Lactobacillus casei." Microbewiki, <http://microbewiki.kenyon.edu/index.php/Lactobacillus_casei>
[5]↑www.probiotics-lovethatbug.com
[6]↑jmm.sgmjournals.org