title: Validation is a key theme in this issue of ALTEX.
authors.forename: Sonja
authors.initials: S
authors.lastname: von Aulock
mesh_terms: D000826:Animal Testing Alternatives / Q000592:standards*; D000818:Animals; D005062:European Union; D015203:Reproducibility of Results; D018675:Toxicity Tests / Q000379:methods* / Q000592:standards*; D014481:United States