2641688 ELBS European Liquid Biopsy Society 6 2641686 ELBS Elastic light backscattering spectroscopy 1 2641690 ELBS electronic laboratory-based surveillance 1 2641689 ELBS Emergency large bowel surgery 1 2641691 ELBS Extended-Spectrum Beta Lactamase 1 2641687 ELBS extracellular, local, bipolar stimulation 1