P20-01: First certified reference materials (CRMs) to improve the reliability of biological toxins detection, identification and quantification

R. Zeleny; K. Busschots; B. Kampa; S. Worbs; M. Skiba; B. Dorner; T. Van Nieuwenhuysen; A. Puustinen; P. Vanninen; C. Rasetti-Escargueil; M.-A. Nahori; E. Lemichez; A.-S. Mierzala; H. Volland; F. Becher; S. Simon; Y. Nia; J.-A. Hennekinne; J. Weisemann; N. Krez; B. Winter; A. Rummel; T. Bergström; J. Näslund; D. Jansson; C. Müller; M.-A. Avondet; M. Wittwer; R. Josuran; A. Wenger; C. Zaborosch; S. Gerber