An improved method allowing for rapid sensitive and standardized detection of a target nucleic acid from a pathogenic microorganism or virus or normal or abnormal gene in a sample is provided. The method involves hybridizing a target nucleic acid to several non-overlapping oligonucleotide probes that...http://www.google.de/patents/US6855523?utm_source=gb-gplus-sharePatent US6855523 - Nucleic acid amplification method: ramification-extension amplification method (RAM)