Molecular diversity of Lactobacillus spp. and other lactic acid bacteria in the human intestine as determined by specific amplification of 16S ribosomal DNA. - Heilig,H.G.; Zoetendal,E.G.; Vaughan,E.E.; Marteau,P.; Akkermans,A.D.; de Vos,W.M. (Appl. Environ. Microbiol., 2002)