New Degenerate <i>Cytophaga</i> - <i>Flexibacter</i> - <i>Bacteroides</i> -Specific 16S Ribosomal DNA-Targeted Oligonucleotide Probes Reveal High Bacterial Diversity in River Taff EpilithonLouise A. O’Sullivan, John C. Fry, Andrew J. Weightman|Applied and Environmental Microbiology|2002Cited by 130